Natalia, Nina, Nurhayati Masloman, and Jeanette Manoppo. “Correlation of Tobacco Smoke Exposure to Intelligence Quotient in Preschool Children”. Paediatrica Indonesiana 52, no. 2 (April 30, 2012): 106-110. Accessed April 20, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/328.