Afinda BN, Anwar S, Sumarna O. Analysis of The Need for Applied Science Teaching Materials in Chemical Materials in Vocational School, Department of Culinary, Tangerang District. JELR [Internet]. 2023 Aug. 10 [cited 2025 Sep. 17];1(1):30-6. Available from: https://jelr.greadc.org/index.php/jelr/article/view/15