Nurmalia, Nurmalia, Medelyn Angel Hartono, and Anastasia Ary Noviyanti. 2023. “Bending Strength Measurement of Composite Based on Used Coffee Ground and Coffee Husk”. Jurnal Otomasi Kontrol Dan Instrumentasi 15 (1):11-21. https://doi.org/10.5614/joki.2023.15.1.2.