SINAGA, Endang Junita; SITORUS, Hisardo; SITUNGKIR, Ledyana Dwi Mei; AGUSTINA, Winarti. Increasing Interest in Early Childhood Learning in North Tapanuli through the Implementation of the Adiwiyata School Concept. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 7, n. 3, p. 3764–3770, 2023. DOI: 10.31004/obsesi.v7i3.3707. Disponível em: https://mail.obsesi.or.id/index.php/obsesi/article/view/3707. Acesso em: 14 may. 2026.