Cahyanti, Amelia Kartika, and Husnul Laily. “Observation of Mathematics Learning Results in Al Biruni Class IV Students”. International Journal of Mathematics and Sciences Education 1, no. 2 (November 23, 2023): 64–69. Accessed February 2, 2026. https://nakiscience.com/index.php/IJMSEd/article/view/31.