Author = Ehssan S. Hassan
A Comparison of Supermassive Black Hole Mass of NGC 4151 Using Different Methods

Volume 2, Issue 1, March 2020, Pages 22-26

10.24271/psr.06

Ismaeel A. Al-Baidhany; Sami Salman Chiad; Mahmood M. Kareem; Wasmaa A. Jabbar; Tahseen H. Mubarak; Nadir Fadhil Habubi; Ehssan S. Hassan; Mohamed Odda Dawood; Oday Mazin Abdulmunem