Muhamad Hisyam Adzikro, et al. “Effects of NPK, Amino Acid Liquid Organic Fertilizer on Maize (Zea Mays L.) Growth And Yield”. Jurnal Agroekoteknologi Terapan (Applied Agroecotechnology Journal), vol. 6, no. 1, June 2025, pp. 65-73, doi:10.35791/jat.v6i1.61970.