Dinda Tasya febrianti, Anas Tain, and Gumoyo Mumpuni Ningsih. “Unlocking the Secret to Customer Happiness: A Deep Dive Into the Satisfaction and Loyalty Levels of Pia Cap Mangkok Purchasers in Malang”. Agriecobis : Journal of Agricultural Socioeconomics and Business 6, no. 01 (March 31, 2023): 54–64. Accessed July 4, 2024. https://ejournal.umm.ac.id/index.php/agriecobis/article/view/24853.