Abdul Latif, R., Y. Md Yusoff, S. Aiman, and S. A. Kamarudin. “Perception of Herbs Used in Sport: Pre-Study Among Coaches and Athletes”. Jurnal Sains Sukan & Pendidikan Jasmani, Vol. 10, no. 2, Sept. 2021, pp. 37-49, doi:10.37134/jsspj.vol10.2.5.2021.