Ayu, Y.N. and Ernandi , H. 2021. The Effect of Tax Planning, Profitability and Tax Avoidance on Firm Value in Plantation Companies Listed on the Indonesia Stock Exchange for the 2017-2019 Period. Indonesian Journal of Innovation Studies. 17, (Oct. 2021), 10.21070/ijins.v17i.569. DOI:https://doi.org/10.21070/ijins.v17i.569.