S. Suharjono, I. Wirya, S. Samsudin, S. Sunoto, Z. Sulaiman, and S. Sutedjo, “Effect of Low Lactose Milk Eiwit Melk (E.M.) on Protein Calorie Malnutrition”, PI, vol. 15, no. 9-10, pp. 255-61, May 2017.