Saayman, Melville ; Du Plessis, Liezel ; Van der Merwe, Petrus Du Plessis, L. et al. 2012. Environmental factors affecting tourists' experience in South African national parks. African journal of business management , 6(8):2911-2918. [http://www.academicjournals.org/journal/AJBM].
,
2012
Rossouw, Riaan ; Saayman, Melville ; Van Der Merwe, Petrus Saayman, M.,Van Der Merwe, P. & Rossouw, R. 2011. The impact of hunting for biltong purposes on the SA economy. Acta Commercii,11:1-12. [http://www.journals.co.za/ej/ejour_acom.html] [http://www.actacommercii.co.za/index.php/acta].
,
2011
Pienaar, Jacobus ; Saayman, Melville ; Van Der Merwe, Petrus PIENAAR, J., SAAYMAN, M., & VAN DER MERWE, P. 2009. Expenditure-based segmentation of tourists to the Kruger National Park. Acta Academica, 41(3):107-127 [http://www.ufs.ac.za/templates/journals.aspx?journal=19].
,
2009