Harvey, J., E. Govender, P. Du Toit, and R. Grant. “The Association Between Body Mass Index and Mood State”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, Vol. 32, no. 1, Dec. 2013, p. 1 page, doi:10.4102/satnt.v32i1.797.