Setyowati, Arum, Jusuf Bintoro, and Muhammad Fikri. “Development of a Web Based Learning Media Using HTML and CSS in the Subject of Programming Engineering, Microprocessors, and Microcontroller”. International Journal on Smart Material and Mechatronics 11, no. 1 (April 10, 2024). Accessed August 27, 2025. https://ijsmm.id/index.php/ijsmm/article/view/66.