Zulvia Misykah, M.Syarif Sumantri, and Deasyanti. “The Effect of PQ4R Strategy and Intellectual Intelligence on Higher Thinking Ability in Mathematics in Elementary Schools”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 4, no. 9 (September 5, 2018): 126–130. Accessed December 26, 2024. https://ijasre.net/index.php/ijasre/article/view/706.