PRIHANTINI, N. B., C. GUSLYANI, R. YUNIATI, and W. SJAMSURIDZAL. “Influence of Temperature Variations on Growth of Nostoc (Cyanobacteria) HS-5 and HS-20 Isolated from Indonesian Hot Springs”. Microbiology Indonesia, vol. 12, no. 2, Aug. 2018, p. 1, doi:10.5454/mi.12.2.1.