1. Hall P., “On the system normalizers of a soluble group,” Proc. London Math. Soc., vol. 43, no. 7, 507–528 (1937).
2. Doerk K. and Hawkes T., Finite Soluble Groups, De Gruyter, Berlin and New York (1992).
3. Ezquerro L.M., “A contribution to the theory of finite supersolvable groups,” Rend. Sem. Math. Univ. Padova, vol. 89, 161–170 (1993).
4. Liu J., Li S., Shen Z., and Liu X., “Finite groups with some $ CAP $-subgroups,” Indian J. Pure Appl. Math., vol. 42, no. 3, 145–156 (2011).
5. Tang X. and Guo W., “On partial $ CAP^{*} $-subgroups of finite groups,” J. Algebra Appl., vol. 16, no. 1, Article no. 1750009; 12 pp. (2017).