MUHAMMAD ALFAFA RIZKY; SUMIATI SUMIATI. Performance Analysis Of Marketing and Customer Service Division Using The 5W1H Method and Fishbone Diagram At PT XYZ. International Journal of Mechanical, Industrial and Control Systems Engineering, [S. l.], v. 1, n. 4, p. 65–71, 2024. DOI: 10.61132/ijmicse.v1i4.130. Disponível em: https://international.aritekin.or.id/index.php/IJMICSE/article/view/130. Acesso em: 3 jun. 2025.