Salleh, M.M.A. and Jusoh, N. (2020) “The relationship between caffeine intake and aggression levels among University Suksis Corp Athletes: Hubungan antara pengambilan kafein dan tahap keagresifan dalam kalangan Atlet Kor Suksis Universiti”,
Jurnal Sains Sukan & Pendidikan Jasmani, 9(2), pp. 38–46. doi:
10.37134/jsspj.vol9.2.6.2020.