NASUTION, S. A. .; HANUM, C. .; GINTING, J. . Karakteristik Pertumbuhan Akar dan Tajuk dua Varietas Lada Perdu (Piper nigrum L.) dengan Perlakuan Cekaman Naungan. Jurnal Online Pertanian Tropik, [S. l.], v. 5, n. 1, p. 10–14, 2018. DOI: 10.32734/jopt.v5i1.3128. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/3128. Acesso em: 5 aug. 2025.