(1)
Muhammad Mu’arif Nasution; Zulkarnain Lubis; Syahbudin. COMPARISON OF COFFEE FARMING WITH MONOCULTURE AND POLYCULTURE CROPPING PATTERNS IN KARO REGENCY (CASE STUDY IN TIGA PANAH DISTRICT AND BARUSJAHE DISTRICT). MORFAI 2025, 5, 3587-3594.