MAKGAE, P.; MOTLOKOA, G. L.; MASHITA, R. J.; MONYEKI, K. D. Physique and Physical Fitness of Rural South African Primary School Netball Players and Non-Netball Players: Ellisras Longitudinal Study: 南非鄉鎮投球選手的體格. ajper 2006, 12, 45-51.