Higazi, S.F., Abdel-Hady, D.H. and Al-Oulfi, S.A.M. 2012. Factors Affecting Malnutrition in Developing Countries: A Linear Mixed Model Approach. Pakistan Journal of Statistics and Operation Research. 8, 4 (Nov. 2012), 821-837. DOI:https://doi.org/10.18187/pjsor.v8i4.254.