Visser M, Pisa NM, Kleynhans EP, Wait R. Identifying the comparative advantage of products and industries of South Africa’s Mpumalanga province. SABR [Internet]. 2015 [cited 2024 May 18];19(2):27-50. Available from: https://unisapressjournals.co.za/index.php/SABR/article/view/5904