Mahmudi, Ratih Dyah Kusumastuti, and Yosman Bustaman. “A Comparative Study of Demand Forecasting for Aftermarket Parts in Heavy Equipment Industry (PT XYZ Case Study)”. Emerging Markets : Business and Management Studies Journal 9, no. 2 (March 1, 2022): 113-129. Accessed May 20, 2024. https://journal.sgu.ac.id/ijembm/index.php/ijembm/article/view/197.