Income of tiger shrimp (Penaeus monodon) and milkfish (Chanos chanos) polyculture farmers with mangrove-integrated and non-mangrove ponds in Sungai Meriam Village, Anggana District, Kutai Kartanegara Regency, East Kalimantan. jipt. 2026;5(2):177-183. doi:10.30872/pzsrcc20