Sularyo TS, Sekartini R, Soedjatmiko S, Gunardi H, Wawolumaya C. Knowledge and behavior of mothers about the way of suckling their babies. PI [Internet]. 2006Oct.30 [cited 2025Apr.20];42(9-10):201-5. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1017