Fadel, F. M., Irwanto, I., & Bagus Dwi Cahyono. (2025). Development of a Digital Electronics Trainer Kit as a Learning Medium for Basic Concepts of Electricity and Electronics in Vocational High Schools. TOFEDU: The Future of Education Journal, 4(4), 886–895. https://doi.org/10.61445/tofedu.v4i4.505