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“SIRTU PRODUCTION DETERMINATION BASED ON MINING BREAK-EVEN POINT AT PT. MANOKWARI LEMON ISLAND: PENENTUAN PRODUKSI SIRTU BERDASARKAN TITIK IMPAS PENAMBANGAN PADA PT. PULAU LEMON MANOKWARI”, JISTECH, vol. 7, no. 1, Jan. 2023, Accessed: May 07, 2026. [Online]. Available: https://www.jistechunipa.com/index.php/istech/article/view/131