Octafilia, Yusnita, and Amirudin M. Amin. 2022. “MARKETING STRATEGIES TOWARD DIRECT AND INDIRECT PURCHASING AT THE PREMIERE HOTEL PEKANBARU”. International Conference of Business and Social Sciences 2 (1):461-73. https://ojsicobuss.stiesia.ac.id/index.php/icobuss1st/article/view/198.