Jaydeep Parejiya, Pravin Vadhel, Patat Sarman. Planarity of a unit graph: Part -II \(|Max(R)|= 2\) case. Malaya J. Mat. [Internet]. 2020 Jul. 1 [cited 2024 Nov. 22];8(03):1162-70. Available from: https://www.malayajournal.org/index.php/mjm/article/view/1580