Aryska, Vivi, Nabila Irfany, and Dilla Khairunnisa’. “After Sales Business Process Optimization”. Journal of Advances in Information Systems and Technology 3, no. 2 (September 6, 2022): 55-66. Accessed May 8, 2024. https://journal.unnes.ac.id/sju/jaist/article/view/53020.