Lola Domnina Pestaño, Beatriz San Mateo, Jervin Valorozo and Ma. Niña Jasmer Yturralde. Determination of the Packing Factor of Geopolymerized Perlite from Lamba, Albay, Bicol in the Philippines, Its Development and Characterization and the Design of a Packed Column for the Absorption of Ammonia Gas. CASTR-V2 [Internet]. 2021 May 19 [cited 2026 Jun. 4];:47-60. Available from: https://stm.bookpi.org/CASTR-V2/article/view/1213