Pramono, Ikhlasul Reza. “Analysis of The Effect of Market Structure and Firm’s Conduct on The Financial Performance of Cigarette Companies in Indonesia 2010-2019 Period (Case Study on Cigarette Companies Listed on The Indonesia Stock Exchange)”. Jurnal Ilmu Ekonomi Terapan 7, no. 1 (June 15, 2022): 101–115. Accessed January 1, 2025. https://e-journal.unair.ac.id/JIET/article/view/29263.