Yohana, Augustino, France Shayo, and Sophia Mbura. “The Complexity of E-Marketing and Its Influence on the Performance of Gas Companies in Tanzania: Insights from Innovation Diffusion Theory”. European Scientific Journal, ESJ 21, no. 28 (October 31, 2025): 64. Accessed November 2, 2025. https://eujournal.org/index.php/esj/article/view/20262.