Melson, Hatolopan Sinaga L, Lie W, Sembiring T, Dulfi S. Analisa Manajemen Proyek pada Usaha Zalacca Teh Kulit Salak . SAINTEK [Internet]. 2023Jun.15 [cited 2025Nov.7];4(3):118-26. Available from: http://ejournal.sisfokomtek.org/index.php/saintek/article/view/1120