. A, . W, Rojiyyah I, Efendi R, Agustin Wulandari R. Design of Flipped Classroom Learning in Vocational Education to improve HOT Skills in the era of the Industrial Revolution 4.0. KSS [Internet]. 2023Mar.3 [cited 2024Apr.16];8(4):106–115. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/12888