du Plessis M, van Eeden J, Botha M. DEVELOPMENT OF EMISSION INTENSITY FACTORS FOR A SOUTH AFRICAN ROAD-FREIGHT LOGISTICS SERVICE PROVIDER. S AFR J IND ENG [Internet]. 2022Nov.11 [cited 2024May3];33(3):15-28. Available from: http://sajie.journals.ac.za/pub/article/view/2788