B. Chaluvaraju and Vidya T 2022. Generalized Second Neighborhood Zagreb Index: Mathematical Inequalities and Chemical Applicability of PAHs . RESEARCH REVIEW International Journal of Multidisciplinary. 7, 3 (Mar. 2022), 88–96. DOI:https://doi.org/10.31305/rrijm.2022.v07.i03.015.