Mahendra IGAY. An Exploration of The Effect of Teacher’s Positive Reinforcement and Punishment towards Young Learner’s Motivation in 21st Century Learning. Japendi [Internet]. 2024Oct.17 [cited 2024Oct.18];5(10):920-8. Available from: https://japendi.publikasiindonesia.id/index.php/japendi/article/view/5695