suwandi suwandi. The Effectiveness Of The Reward And Punishment Method On Increasing Learning Interest And Passing Ability Under Class Xi Students Of Class XI Smk Negeri 1 Gabuswetan. JWS [Internet]. 2022May20 [cited 2026Aug.6];1(5):359-65. Available from: https://jws.rivierapublishing.id/index.php/jws/article/view/43