Saftiana, Yulia, Benadette Robiani, Syamsurijal A.K., and Suhel. “PROFITABILITY, ADVERTISING INTENSITY AND CONCENTRATION RATIO IN INDONESIAN CIGARETTE INDUSTRY (2000 -2013)”. International Journal of Research -GRANTHAALAYAH 6, no. 3 (March 31, 2018): 256–268. Accessed April 30, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG18_A04_1259.