Kolbe, T. L., Lambert, E. V., Charlton, K., & Noakes, T. D. (1999). EFFECTIVENESS OF A LOW-INTENSITY, COMMUNITY BASED EXERCISE PROGRAM FOR OLDER SOUTH AFRICANS FROM PREVIOUSLY-DISADVANTAGED COMMUNITIES. Medicine & Science in Sports & Exercise, 31(5), s185. doi:10.1097/00005768-199905001-00829
Kolbe, T. L., Lambert, E. V., Charlton, K., & Noakes, T. D. (1999). EFFECTIVENESS OF A LOW-INTENSITY, COMMUNITY BASED EXERCISE PROGRAM FOR OLDER SOUTH AFRICANS FROM PREVIOUSLY-DISADVANTAGED COMMUNITIES. Medicine & Science in Sports & Exercise, 31(5), s185. doi:10.1097/00005768-199905001-00829