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“Efisiensi Kerja Alat Muat Komatsu PC 400 LC Guna Memenuhi Kebutuhan Produksi Stone Crusher: Efficiency of Work of Komatsu PC 400 LC Loading Equipment to Meet Stone Crusher Production Needs”. JISTECH: Journal of Information Science and Technology 14, no. 2 (November 3, 2025): 1–8. Accessed May 7, 2026. https://jistechunipa.com/index.php/istech/article/view/894.