@book{41732,
	title = {Philippine Engineering Journal},
	publisher = {UP National Engineering Center, },
	year = {2025},
	address = {Quezon City :},
	note = {Librea, Jesha Faye T., Guanzon, Clarence R., Valencia, Paolo S., Camposano, Jomar Christian J., Caram, Rosabelle Louise A., Buquiz, Lowell P. (December 2025). Characterization of locally sourced perlite from Camarines Sur, Philippines. Philippine Engineering Journal, v. 46(2), pp.1-15.}
}