Njambi E, Lewa P, Katuse P. Relationship between Threat of Substitutes and Competitive Advantage of Large Multinationals in Kenyan Beverage Industry. theijbm [Internet]. 2016 Jul. 31 [cited 2024 Jul. 22];4(7). Available from: https://internationaljournalcorner.com/index.php/theijbm/article/view/126761