“Effects of Maternal Socioeconomic, Psychological, Nutritional Factor, and Ambient Smoke Exposure, on the Risk of Low Birth Weight: A Multilevel Evidence from Gunungkidul, Yogyakarta”, J Matern Child Health, vol. 5, no. 4, pp. 446–455, Jul. 2020, Accessed: Jan. 16, 2026. [Online]. Available: https://www.thejmch.com/index.php/thejmch/article/view/482