Umaroh, Liya, and Neni Kurniawati. “PERILAKU SOPAN DAN SANTUN ANAK DIAWAL FASE PRAOPERASIONAL”. Proceeding SENDI_U (August 20, 2018). Accessed November 24, 2024. https://www.unisbank.ac.id/ojs/index.php/sendi_u/article/view/6025.