Surjadi, C., I. Ismoyowati, D. Susilo, and H. Djarir. “Perception of Non-Communicable Diseases Predicts Consumption of Fruits and Vegetables”. Universa Medicina, vol. 31, no. 3, Dec. 2012, pp. 175-83, doi:10.18051/UnivMed.2012.v31.175-183.