Valliappan Raju APD, Md Rom Bin Tamjis PD. Role of Sustainability in Marketing Strategies: In the Context of Digital and Direct Marketing. IJET [Internet]. 2019 Mar. 1 [cited 2024 May 4];8(1.10):5-9. Available from: https://sciencepubco.com/index.php/ijet/article/view/28012