G. Al-Sammak, Essra, and إسراء. “Numerical Classification by Cluster Analysis of Thermoactinomyces Species As Compared With Some Species of Two Genera Bacillus and Paenibacillus”. Rafidain Journal of Science 19, no. 6 (June 24, 2025): 57–69. Accessed August 6, 2025. https://rjps.uomosul.edu.iq/index.php/rsci/article/view/12594.