et. al., Rifqi Arief Adrianto,. “Product Development of Mini Chamber With Ergonomic Function Deployment (EFD) Method”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 4 (April 11, 2021): 771–781. Accessed April 29, 2024. https://turcomat.org/index.php/turkbilmat/article/view/562.