Orji, U., and L. A. Ohazulike. “Digital Marketing Platforms and Sales Performance of Selected Roofing Sheet Companies in Anambra State Nigeria”. JOURNAL OF EMERGING TRENDS IN MANAGEMENT SCIENCES AND ENTREPRENEURSHIP 7, no. 2 (August 21, 2025): 101–130. Accessed November 13, 2026. https://jetmase.com/index.php/jetmase/article/view/135.