Validitas dan Praktikalitas Modul Ajar Sistem Instalasi Tata Udara Berbasis Kompetensi Abad 21. JEVE [Internet]. 2025 Aug. 29 [cited 2026 Apr. 28];1(1):49-58. Available from: https://jeve.ppj.unp.ac.id/index.php/jeve/article/view/13