Aldi Andres Ardiansah, Agung Triayudi and Ben Rahman 2022. Usability Testing Using Prototype Method in Smart Cleaning System Reporting Tegal Parang. Jurnal Mantik. 6, 2 (Aug. 2022), 2631-2638. DOI:https://doi.org/10.35335/mantik.v6i2.2821.