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Agustinus Mahardhika, Yoga Ariansyah Tarigan, Henry Dwi Prihartanto. Peramalan Permintaan Semen Ordinary Portland Cement dan Pengendalian Persediaan Gypsum di PT Solusi Bangun Indonesia. waluyojatmiko [Internet]. 2026Nov.2 [cited 2026Nov.2];19(1):121-8. Available from: https://semnasti.upnjatim.ac.id/index.php/semnasti/article/view/210