Saepudin, et Al S. Product Quality Innovation and Service Quality in Relationship with Consumer Purchasing Decisions for Coconut Shell Charcoal at UMKM Mitra Jaya Bandung Regency, West Java . ICEMAT 2024 [Internet]. 2024 Jan. 12 [cited 2025 Jun. 22];1(1). Available from: http://adpebipublishing.com/index.php/icemat/article/view/356