Permono, Hendarti, Rilla Sovitriana, and Agus Djoko Santosa. 2019. “Influence Cognitive Strategies, Metacognitive Strategies And Experience Success In Mathematics Achievement Through Self-Efficacy In V Grade Elementary School In East Jakarta”. International Review of Management and Marketing 9 (5):46-51. https://econjournals.com./index.php/irmm/article/view/8558.