https://doisrpska.nub.rs/index.php/IMVI To advance research and education in the field of pure and applied mathematics, history and philosophy mathematics, and mathematics education by providing journals, bulletins, newspapers, conferences, courses, lectures, seminars and any other charitable means.<br />Published by: Naučno društvo matematičara Banja Luka International Mathematical Virtual Institute en-US BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE 2303-4874 https://doisrpska.nub.rs/index.php/IMVI/article/view/4307 In this paper, we investigated concept of TL-vague module and<br />obtained some basic properties of this concept. Dilek Bayrak Sultan Yamak Copyright (c) 2018 BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE 2018-01-10 2018-01-10 8 2 203 212 https://doisrpska.nub.rs/index.php/IMVI/article/view/4308 In this paper, we compute the formulae for the third Zagreb in-<br />dices and its coindices for two classes of graphs such as edge corona product graph, double graph and kth iterated double graph. K. Pattabiraman Copyright (c) 2018 BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE 2018-01-10 2018-01-10 8 2 213 219 https://doisrpska.nub.rs/index.php/IMVI/article/view/4309 Let G be a graph with edge set E(G). The second multiplicative<br />Zagreb index of G is dened as 2(G) = Πuv2E(G)[degG(u) degG(v)], where degG(v) is the degree of the vertex v of G. In this paper, the unicyclic graphs with rst through seventh smallest 2 Ali Ghalavand Ali Reza Ashra Ivan Gutman Copyright (c) 2018 BULLETIN OF INTERNATIONAL MATHEMATICAL VIRTUAL INSTITUTE 2018-01-10 2018-01-10 8 2 369 383