Sopiana, Sopiana, Sarwendah Ratnawati Hermanto, dan Elan Adiat Nur. “PENGARUH PEMBERIAN PUPUK KOTORAN WALET TERHADAP PERTUMBUHAN BIBIT KOPI LIBERIKA (Coffea Liberica) DI MEDIA GAMBUT”. Journal of Agro Plantation (JAP) 1, no. 2 (Oktober 26, 2022): 74-84. Diakses Mei 20, 2024. https://jurnal.politap.ac.id/index.php/jap/article/view/1242.