Arif Rahman Hakim, Kasman Rukun, Syahril. Development of training model for technical worker In manufacturing indusrty : (case study of batam manufacturing industry) . IJAST [Internet]. 2020Apr.27 [cited 2024May2];29(06):1559 -167. Available from: http://sersc.org/journals/index.php/IJAST/article/view/12095