LUMBANTOBING, P. A. .; LIMBONG, W. S. .; PANGGABEAN, R. D. . Implementasi Keterampilan Proses Sains Melalui Kegiatan Menanam Pohon Pada Masa New Normal Di Panti Asuhan Bumi Keselamatan Margarita (BKM). Tour Abdimas Journal, [S. l.], v. 2, n. 1, p. 57–62, 2023. Disponível em: https://tourjurnal.akupuntour.com/index.php/tourabdimasjournal/article/view/46. Acesso em: 27 oct. 2025.