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. (2025). JISTECH: Journal of Information Science and Technology, 14(2), 1-8. https://doi.org/10.30862/jistech.v14i2.894