Serrano, M., Ravancho, J.-A., Timbol, J., Guillermo, M. P., & Salazar, E. (2017). Utilization of Paper Bags in Lingayen, Pangasinan. Southeast Asian Journal of Science and Technology, 2(1), 74-77. Retrieved from https://sajst.org/online/index.php/sajst/article/view/27