Lexicographic Product of Digraphs and Related Boundary-Type Sets. - Manoj Changat; Prasanth G. Narasimha-Shenoi; Mary Shalet Thottungal Joseph (CALDAM, 2021)

Boundary-type sets of strong product of directed graphs. - Bijo S. Anand; Manoj Changat; Prasanth G. Narasimha-Shenoi; Mary Shalet Thottungal Joseph (Ars Math. Contemp., 2021)

Center and periphery of lexicographic product of digraphs. - Manoj Changat; Prasanth G. Narasimha-Shenoi; Mary Shalet Thottungal Joseph (Art Discret. Appl. Math., 2023)