https://journal.unnes.ac.id/nju/index.php/ijcls/comment/view/17102/8584/240627http://e-jurnal.pnl.ac.id/index.php/polimesin/comment/view/368/0/545610https://ejournal.unitomo.ac.id/index.php/jsk/comment/view/367/227451/464209http://cifam.upr.edu.cu/index.php/cifam/comment/view/115/0/1249https://foros.uapa.edu.do/profile/135786/handi22https://digital