Ramadhan AS, Adrian R, Chaniago AK, Siregar FRZ, Saputra R, Mahany C. EVALUASI KESUBURAN TANAH DI KEBUN KOPI DESA GIRSANG SIPANGAN BOLON, SIMALUNGUN. Fruitset [Internet]. 2025Jun.30 [cited 2026May9];13(2):188-67. Available from: https://iocscience.org/ejournal/index.php/Fruitset/article/view/6380