Lues, Jan F. R.; Rasephei, M. R.; Venter, P.; Theron, M. M. (2006). "Assessing Food Safety and Associated Food Handling Practices in Street Food Vending". International Journal of Environmental Health Research. 16 (5): 319–328. Bibcode:2006IJEHR..16..319L. doi:10.1080/09603120600869141. PMID16990173. S2CID27054452.
Lues, Jan F. R.; Rasephei, M. R.; Venter, P.; Theron, M. M. (2006). "Assessing Food Safety and Associated Food Handling Practices in Street Food Vending". International Journal of Environmental Health Research. 16 (5): 319–328. Bibcode:2006IJEHR..16..319L. doi:10.1080/09603120600869141. PMID16990173. S2CID27054452.
Lues, Jan F. R.; Rasephei, M. R.; Venter, P.; Theron, M. M. (2006). "Assessing Food Safety and Associated Food Handling Practices in Street Food Vending". International Journal of Environmental Health Research. 16 (5): 319–328. Bibcode:2006IJEHR..16..319L. doi:10.1080/09603120600869141. PMID16990173. S2CID27054452.
Lues, Jan F. R.; Rasephei, M. R.; Venter, P.; Theron, M. M. (2006). "Assessing Food Safety and Associated Food Handling Practices in Street Food Vending". International Journal of Environmental Health Research. 16 (5): 319–328. Bibcode:2006IJEHR..16..319L. doi:10.1080/09603120600869141. PMID16990173. S2CID27054452.