1. Thuvachote S., Analysis of Agricultural Society System (2nd Ed), Prince of Songkhla University Thailand, 2007.
2. Ridwan N.A., J. IBDA 5, 27 (2007).
3. Supsiloani, JUPIIS 5, (2013).
4. Wiana I.K., Beragama Bukan Hanya Di Pura Agama Hindu Sebagai Tuntunan Hidup (Yayasan Dhrama Naradha, Denpasar, 1997).
5. Pitana I., in Conrady R., Buck M. Trends Issues Glob. Tour. (Springer, Berlin, Heidelberg, 2010).