Wangari , Angela, and Gertrude Were. “ Determinants of Nutritional Rickets Among Children Aged below 5 Years in Naivasha District Hospital, Kenya ”. African Journal of Education,Science and Technology (AJEST), vol. 1, no. 2, Aug. 2013, pp. Pg 8-14, http://ajest.org/index.php/ajest/article/view/284.