Castañeda, Jennifer. “Development, Acceptability and Effectiveness of Supplementary Worksheets in Teaching  Kindergarten Learners”. International Journal of Sustainability and Advanced Integrated Research 2, no. 1 (February 13, 2026): 410–416. Accessed October 18, 2026. https://serverojs1-ijsair.sharkcluster.com/index.php/ijsair/article/view/92.