00786nam a22001937a 4500 20260720094917.0 ta 260720b ||||| |||| 00| 0 eng d 0117-5564 eng PER 620 P5521 2025 Philippine Engineering Journal Volume XLVI number 2: December 2025 Quezon City : UP National Engineering Center, 2025 82 pages ; 28 cm 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. SERIALS ddc J 41732 41732 0 0 ddc 0 0 SERIALS SB SB MPER 2026-07-20 Income 0 PER 620 P5521 2025 PER 5 2026-07-20 2026-07-20 J