Berman ET, Hamidah I, Mulyanti B, Setiawan A. Low Cost and Portable Laboratory Kit for Practicum Learning of Air Conditioning Process in Vocational Education. jtet [Internet]. 2021 Jun. 28 [cited 2024 Jul. 3];13(3):133-45. Available from: https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/9091