Lertvichakul S, Chongsomchai C. Patronage System in Local Politics of Kosumphisai District, Maha Sarakham Province. AJMBU [Internet]. 2019 Sep. 26 [cited 2024 Apr. 20];9(1):302-1. Available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/211966