Heri Kusmanto, Agung Suharyanto, Yudi Prayoga, I Gusti Ayu Purnamawati, Nur Arif Nugraha. “Understanding Young Political and Comprehensive Tax Program in ASEAN”. International Journal of Advanced Science and Technology, Vol. 29, no. 06, Apr. 2020, pp. 1811 -4, http://sersc.org/journals/index.php/IJAST/article/view/12880.