ANALISIS PENDAPATAN SAYUR KANGKUNG HIDROPONIK SISTEM DEEP FLOW TECHNIQUE (DFT) DI PT. NINA AGRO JAYA. JPA [Internet]. 21 November 2025 [dikutip 18 Mei 2026];4(3):318-23. Tersedia pada: http://jurnal.faperta.untad.ac.id/index.php/jpa/article/view/2797