Mutia Ayu, Riva Ardiansyah, and PERDI ARIF WIJAYA. “The Effect of Production Planning and Operational Efficiency on Operational Performance at PT. Kamaltek Indonesia”. Metode : Jurnal Teknik Industri 11, no. 2 (October 30, 2025): 236–245. Accessed October 31, 2025. https://ejournal.um-sorong.ac.id/index.php/metode/article/view/4685.