Remo, E.M. , Florano, J. , Bragais, N.R. and Vidal, K.F. 2024. A Proposed Project of Using Polypropylene (Pp) in Disposable Face Masks as an Additive to a Plastic Lumber: Vol.4, No.1. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research. 4, 1 (Jun. 2024).