Goswami , P. ., Sanjay Kumar Thakur and Ray, G. C. (2023) “The structure of power digraph connected with the congruence a¹¹ ≡ b(mod n)”, Proyecciones (Antofagasta, On line), 42(2), pp. 457-477. doi: 10.22199/issn.0717-6279-5600.