Rina Handayani, Manaek Hamonangan Sihombing. Planning of Optimal Raw Materials Inventory Using the Marcov Chain Method. JoSTec [Internet]. 2022 Dec. 10 [cited 2024 Dec. 22];4(1):151-6. Available from: https://ejournal.ipinternasional.com/index.php/jostec/article/view/157