Kharisma, C., and M. Haryanto. “Determining the Effect of Tax Planning, Tax Aggressiveness, and Tax Risk to the Firm Value: An Empirical Study on Manufacturing Companies Listed in Indonesia Stock Exchange Period 2011-2014”. Jurnal Ekonomis, vol. 9, no. 2, Sept. 2016, pp. 34-52, doi:10.58303/jeko.v9i2.448.