IGAI, A.; ABDUSSALAM, A.; HARYANTO, Y. IDENTIFIKASI VARIABILITAS UPWELLING BERDASARKAN INDIKATOR KLOROFIL-A DI PERAIRAN SELATAN DAERAH ISTIMEWA YOGYAKARTA. DiJITAC : Digital Journal of Information Technology and Communication, v. 6, n. 1, p. 10-18, 1 set. 2025.