Santos RA, Collantes LM, Ibañez ED, Ibarra FP, Pentang JT. Innate Mathematical Characteristics and Number Sense Competencies of Junior High School Students. IJLTER [Internet]. 2022 Oct. 30 [cited 2026 Jul. 22];21(10):325-40. Available from: http://www.ijlter.myres.net/index.php/ijlter/article/view/1445