Lian, H.S., Safii, N.S. and Mohd Raus, N. 2018. Development of Physical Activity Pyramid in Braille for Visually Impaired Adults. Journal of Quran Sunnah Education & Special Needs. 2, 1 (Jun. 2018), 9-17. DOI:https://doi.org/10.33102/jqss.vol2no1.9.