Pangaribuan, E., B. Lubis, P. Sianturi, E. Azlin, and G. Tjipta. “Comparison of Blood Glucose Levels in Breastfed Vs. Formula-Fed Low Birth Weight Infants”. Paediatrica Indonesiana, Vol. 49, no. 1, Mar. 2009, pp. 15-9, doi:10.14238/pi49.1.2009.15-9.