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Bercasio PG, Lasala Jr NL, Dio R. Speed Meets Accuracy: Effectiveness of Left to Right Method on Mental Addition and Subtraction Skills of Elementary Students. J. Bs. Edu. R [Internet]. 2025May25 [cited 2025Jul.27];6(2):184-96. Available from: https://cahaya-ic.com/index.php/JBER/article/view/1735