Hamdhani H, Sharaha M, Fadhilla FN, Harijono GV. Aplikasi perhitungan tingkat kesuburan perairan dengan Metode Carlson pada perairan urban Danau Polder Air Hitam di Kota Samarinda: Application of Carlson trophic state index on trophic state determination of urban Polder Air Hitam Lake in Samarinda City. jipt [Internet]. 2023 Mar. 8 [cited 2025 Apr. 20];2(1):73-8. Available from: https://e-journals2.unmul.ac.id/index.php/jipt/article/view/494