RETRACTED: Digital Marketing and Sustainable Economic Development Trends in Developed and Underdeveloped Countries: A Bibliometric AnalysisStephen Acheampong, Oleksii Lyulyov and Tetyana PimonenkoE3S Web Conf., 456 (2023) 02002DOI: https://doi.org/10.1051/e3sconf/202345602002