Lola Domnina PESTAÑO; Beatriz San MATEO; Jervin VALOROZO; 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. Current Approaches in Science and Technology Research Vol. 2, [S. l.], p. 47–60, 2021. DOI: 10.9734/bpi/castr/v2/8455D. Disponível em: https://stm.bookpi.org/CASTR-V2/article/view/1213. Acesso em: 4 jun. 2026.