[1] A. Michael and O. B. Kwasi, Occupational hazards and environmental health associated with the traditional palm kernel oil extraction method: A case study of the abura palm kernel oil industry in the central regional capital, cape coast of Ghana. Pelagia Research Library Der Chemica Sinica, 2013, 4(2), pp.114-121
[2] Barnett, and A. Whiteside, The world development report 2000/1: HIV/AIDS still not properly considered! J. Int. Dev., 2001, vol. 13, pp.369-376.
[3] Muhammad-Lawal, O. A. Omotesho, and A. Falola, Technical efficiency of youth participation in agriculture programme in Ondo State, Nigeria. NJAFE, 2009, 5(1), pp.20-26.
[4] Usman, Profitability and technical efficiency of swamp rice production in Niger State, Nigeria. An M.Sc. thesis submitted to the school of postgraduate studies, Ahmadu Bello University, Zaria, 2012. (Unpublished).
[5] James, Occupational hazards and their effect on the health and socio-economic status of local palm oil processors in Delta State, Nigeria. Ann. Agric. Environ. Med. 2015, 22(3), pp.483–487.
[6] I. Ekine, and M. E. Onu, Economics of small scale palm oil processing in Ikwere and Etche local government areas of Rivers State, Nigeria. J. Agric. Soc. Res., 2008, 8(2), pp.150-158.
[7] McIntyre, and M. Thiede, A review of studies dealing with economic and social consequences of high medical expenditure with a special focus on the medical poverty trap. Cape Town, Health Economics Unit, 2003, University of Cape Town.
[8] P. Rice, Cost of illness studies: what is good about them? Inj. Prev., 2000, vol. 6, pp.177-179
[9] A. Finkelstein, I. C. Fiebelkorn, and G. Wang, National medical spending attributable to overweight and obesity: how much and who’s paying. Health affairs, 14 May 2003: W3-219: W3-226.
[10] I. Olagunju, Economics of palm oil processing in southwestern Nigeria. Int. J. Agric. Econ. Rural Dev., 2008, 1(2), pp.69 - 77.
[11] FAO. Global forest resources assessment 2005: progress towards sustainable forest management. FAO Rome. 2005. Retrieved from: http://www.fao.org/forestry/fra2005/en/(10 [Accessed 10 March 2022]
[12] O. Omereji, The oil palm industry in Nigeria: Cultivation, Processing and Trade. Mindex Publishers, Benin City, 2005, pp 131 – 156.
[13] L. L. Andersen, T. Clausen, O. S. Mortensen, H. Burr, and A. Holtermann, A perspective cohort study in musculoskeletal risk factors for long term sickness absence among healthcare workers in eldercare. Int. Arch. Occup. Environ. Health, 2012, 85 (6), pp.615 – 622.
[14] L. O. Olarinde, Analysis of technical efficiency differentials among maize farmers in Nigeria. AERC Research Paper, 232, 2011, African Economic Research Consortium Nairobi.
[15] M. Aikins, Cost-effectiveness analysis of insecticide-impregnated mosquito nest used as a malaria control measure in the Gambia. Ph.D. Thesis, Department of Public Health and Policy, London School of Hygiene and Tropical Medicine, 1995, University of London.
[16] M. T. Tsepav, M. D. Oladipupo and B. Ndanusa, Assessment of the noise produced by sound generating machines in Lapai, Northern Nigeria. Pelagia Research Library, Adv. Appl. Sci. Res., 2011, 2 (6), pp.520-531
[17] M.O. Oniah, O.O. Kuye, and I. C. Idiong, Efficiency of resource use in small scale swamp rice production in Obubra local government area of Cross River State, Nigeria. Middle East J. Sci. Res., 2008, 3(3), pp.145 – 148.
[18] N. Attanayake, J. Fox-Rushby, and J. Mills, Household costs of 'malaria' morbidity: a study in Matale District, Sri Lanka. Trop. Med. Int. Health, 2000, 5(9), pp.595-606.
[19] P. O. Erhabor, and C. O. Emokaro, Relative technical efficiency of cassava farmers in the three agro-ecological zones of Edo State, Nigeria. J. Appl. Sci., 2007, vol. 7, pp.2818-2823.
[20] P. S. Amaza, and D. C. Maurice, Identification of factors that influence technical efficiency in rice based production system in Nigeria. A paper presented at workshop on policies and strategies for promoting rice production and food security in Sub-Sahara Africa, Cotonou (Benin), 2005, 1 -9.
[21] R. Carrare, Overview of the oil palm issues world rainforest movement, Uruguay. Retrieved from http://www.wrm.org.uy.plantation/materia/oilpalm4.html [Accessed 20 April 2022], 2001.
[22] R. I. Chima, and C. A. Goodman, The economic impact of malaria in Africa: a critical review of the evidence. Health Policy, 2003, 63(1), pp.17-36.
[23] R. Sauerborn, A. Noigtara, M. Hien, and H. J. Diesfeld, Seasonal variations of household cost of illness in Burkina Faso. Soc. Sci. Med., 1996, 43(3), pp.281-291.
[24] S. I. Orewa, B. Adakaren, C. O. Ilechie, and S. Obulechei, Analysis of the profitability of using the NIFOR small palm oil processing equipment (SSPE). Am.-Eurasian J. Agron., 2009, 2(3), pp.192-300.
[25] S. O. Akinbode, A. O. Dipeolu, and D. A. Ibrahim, Effects of disease burden on technical efficiency among lowland rice farming households in North Central Nigeria. World J. Agric. Sci., 2011, 7(3), pp.359-369.
[26] S. O. Olatunji, E. O. Ehebha, and C. C. Ifeanyi-Obi, Utilization of western and traditional healthcare services by farm families in Ukwa-East local government area of Abia State, Nigeria. J. Agric. Soc. Res., 2013, 13 (2), pp.111-120
[27] U. Omoti, Oil palm research at NIFOR. Burotrop, 2003, 19: 43-46.
[28] WHO, Improving health outcomes of the poor: the report of working group 5 of the commission on macroeconomics and health. World Health Organization, 2001, Geneva.
[29] World Bank, World development report: attacking poverty. Washington D.C: World Bank, 2000.