Zimbabwean professor, Mike Chirenje, is one of the scientists who discovered the VIAC concept that was first implemented in 2011.
Enye yengcwethi yeZimbabwe, uMnumzana Mike Chirenje, ungomunye walabo abayibo abathole lindlela yokuhlolwa ye pviac concept eqale ukusetshenziswa ngomnyaka ka 2011.