Firdaus H, Syafrizal, Nulhakim L. Electronic Teaching Materials to Improve Student Learning Effectiveness Automotive Vocational High School. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Nov. 25 [cited 2025 Apr. 7];10(11):9791-8. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/7338