Feri Ardiansyah Pratama, Tati Maharani, Mardaleni, Salmita Salman, and Adelina Maryanti, “Interaksi Pupuk Organik Cair GDM dan Pupuk NPK 16-16-16 terhadap Pertumbuhan Bibit Kakao (Theobroma cacao L.) pada Tanah Podsolik Merah Kuning: Interaction between GDM Liquid Organic Fertilizer and NPK 16-16-16 on the Growth of Cacao (Theobroma cacao L.) Seedlings Grown on Red-Yellow Podzolic Soil”, dp, vol. 42, no. 2, pp. 59–70, Sep. 2026.