Mahmood, S. J., N. R. Mahmood, and D. A. Hussein. “On Artin Cokernel of the Quaternion Group Q_{2m} When m=2^h \cdot p_{1}^{r_1} \cdot p_{2}^{r_2} \cdots p_{n}^{r_n} Such That p_i Are Primes, g.c.D.(p_i, p_j)=1 and p_i \neq 2 for All I = 1, 2, ..., N, H and r_i Any Positive Integer Numbers”. Earthline Journal of Mathematical Sciences, Vol. 4, no. 1, Apr. 2020, pp. 169-88, doi:10.34198/ejms.4120.169188.