Mantri R, Feng J. Exploring the Key Challenges: Adaptability, Sustainability, Interoperability and Security to M-payment. Int. J. Interact. Mob. Technol. [Internet]. 2011 Mar. 30 [cited 2024 Apr. 19];5(2):pp. 34-40. Available from: https://online-journals.org/index.php/i-jim/article/view/1435