Mayor Pintaro Lowiz, Alhaviz, and Vonny Indah Sari, “Potensi Kombinasi Ampas Kopi dan Pupuk Hayati Cair dalam Meningkatkan Pertumbuhan dan Hasil Buncis (Phaseolus vulgaris L.): Potential of Coffee Grounds and Liquid Biofertilizer Combination in Enhancing Growth and Yield of Green Bean (Phaseolus vulgaris L.)”, dp, vol. 42, no. 1, pp. 61–70, May 2026.