Sunardi, Dede, Ritzkal Ritzkal, and A Hendri Hendrawan. 2020. “Application Of Heat Coffee Passing Tools With Web-Based Monitoring System: Application Of Heat Coffee Passing Tools With Web-Based Monitoring System”. Jurnal Mantik 4 (1):134-38. https://www.iocscience.org/ejournal/index.php/mantik/article/view/718.