“ANALISIS PENDAPATAN SAYUR KANGKUNG HIDROPONIK SISTEM DEEP FLOW TECHNIQUE (DFT) DI PT. NINA AGRO JAYA”. Jurnal Pembangunan Agribisnis (Journal of Agribusiness Development) 4, no. 3 (November 21, 2025): 318–323. Diakses Maret 31, 2026. http://jurnal.faperta.untad.ac.id/index.php/jpa/article/view/2797.