Siridhammo, P.J., Sudassanavipani, P.N., Siripañño, P.A. and Mahitthiko, P.A. 2019. The Approach to Solve Problems and Sangha Social Development with Patronage System. Academic Journal of Mahamakut Buddhist University Roi Et Campus. 9, 1 (Oct. 2019), 453–462.