Rolan Siregar, Lasminar Siahaan, and Saudur Simangunsong. “TEKNOLOGI BUDIDAYA TANAMAN HORTIKULTURA”. JPM-UNITA (JURNAL PENGABDIAN MASYARAKAT), vol. 2, no. 1, Jan. 2024, pp. 20-27, http://jpm.usxiitapanuli.ac.id/index.php/jurnal/article/view/16.