“Effect of Organic and NPK Fertilizers on Flowering, Pod Formation, and Seed Production of Cowpea (Vigna Unguiculata L. Walp)”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 53, no. 2 (August 30, 2025): 257–267. Accessed December 24, 2025. https://journal.ipb.ac.id/jurnalagronomi/article/view/65893.