Marisya, Sevina, Guslihan Dasa Tjipta, Supriatmo Supriatmo, and Emil Azlin. 2013. “Breast Milk Vs. Non-Nutritive Sucking to Reduce Pain from Minor Invasive Procedures in Neonates”. Paediatrica Indonesiana 53 (4):204-8. https://doi.org/10.14238/pi53.4.2013.204-8.