On potentially P-graphic degree sequences. - N. R. Achuthan; Mudin Simanihuruk (Australas. J Comb., 1990)

On defective colourings of complementary graphs. - Nirmala Achuthan; N. R. Achuthan; Mudin Simanihuruk (Australas. J Comb., 1996)

On minimal triangle-free graphs with prescribed 1-defective chromatic number. - Mudin Simanihuruk; Nirmala Achuthan; N. R. Achuthan (Australas. J Comb., 1997)

On defective colourings of triangle-free graphs. - Mudin Simanihuruk; Nirmala Achuthan; N. R. Achuthan (Australas. J Comb., 1997)

On the Nordhaus-Gaddum Problem for the k-Defective Chromatic Number of a Graph. - Nirmala Achuthan; N. R. Achuthan; Mudin Simanihuruk (Electron. Notes Discret. Math., 2003)

The Nordhaus-Gaddum problem for the k-defective chromatic number of a P4-free graph. - Nirmala Achuthan; N. R. Achuthan; Mudin Simanihuruk (Australas. J Comb., 2011)

On minimal triangle-free graphs with prescribed k-defective chromatic number. - Nirmala Achuthan; N. R. Achuthan; Mudin Simanihuruk (Discret. Math., 2011)

On Edge Magic Total Labeling of (7, 3)-Cycle Books. - Baki Swita; Ulfasari Rafflesia; Nova Henni Ms; Dolly Stio Adji; Mudin Simanihuruk (Int. J. Math. Math. Sci., 2019)

A Conjecture on Super Edge-Magic Total Labeling of 4-Cycle Books. - Mudin Simanihuruk; Tri Atmojo Kusmayadi; Baki Swita; Minsi Romala; Friska Damanik (Int. J. Math. Math. Sci., 2021)

A Partial Solution to an Open Problem on Super Edge-Magic Total Labelings of (4, 3)-Cycle Books Graphs. - Baki Swita; Rupmana Br Butar-Butar; Dea Cahya Pramesti; Noni Febriyan; Dara Puspita; Novi Siska Safitri; Lola Azhari; Mudin Simanihuruk (Int. J. Math. Math. Sci., 2025)