Gaya APA

SAPUTRA, A, H. et al (2015). Effect of fly ash fortification in the manufacture process of making concrete towards characteristics of concrete in sulfuric acid solution . Depok: Directorate of Research and Community Services,UI.

Gaya MLA

SAPUTRA, Asep, Handaya. et al. "Effect of fly ash fortification in the manufacture process of making concrete towards characteristics of concrete in sulfuric acid solution". Depok: Directorate of Research and Community Services,UI, 2015. Artikel.