Sapna H Siburian, Theodora MV Nainggolan, and Rolan Siregar, “CAMPURAN MEDIA TANAM DAN ZPTTERHADAP PERTUMBUHAN BIBITKOPI ARABIKA (Coffea arabica L.)VARIETAS ANDUNGSARI 1”, JAP, vol. 4, no. 1, pp. 11–19, Jun. 2025.