Devinta, A. and Zulaika, E. 2021. VIABILITY AND PRODUCTION CALCIFYING BACTERIAL ENDOSPORE ON SAND-CEMENT CARRIER . Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH). 8, 1 (Sep. 2021), 8–13. DOI:https://doi.org/10.23960/jbekh.v8i1.184.