Ekpenyong, B., V. Essien, A. Ndep, O. Onwusaka, and A. Peter. “Comparison of Socioeconomic Status of Parents and Body Mass Index of Their in-School Adolescents in Cross River State, Nigeria”. Journal of Epidemiological Society of Nigeria, vol. 2, no. 2, July 2020, pp. 45-51, https://jeson.org.ng/index.php/jeson/article/view/22.