Mohd Yussof, Nur Diyanah bt. 2015. “THE EFFECTS OF FEEDBACK FREQUENCIES AMONG CHILDREN ON MOTOR LEARNING SKILL ACQUISITION (78 - 86)”. Jurnal Sains Sukan & Pendidikan Jasmani 4 (1):78-86. https://ejournal.upsi.edu.my/index.php/JSSPJ/article/view/615.