K. . Arai, A. N. . Gomez, M. J. . Endaya, M. . Zarcilla, and K. J. B. . Embile, “Benefits of Recyclable Waterproof Hat in Grade 12 Students in Bestlink College of the Philippines, S.Y. 2019–2020”, AASgBCPJMRA, vol. 2, no. 1, Apr. 2020.