Bhalakula, A., Sudsansanga, S., Ruechai , A., Thongmee, N. and Kettong , D. (2021) “DEVELOPMENT OF HAT CHAO SAMRAN SUBDISTRICT MUNICIPALITY: UPGRADING THE QUALITY OF LIFE OF THE PEOPLE IN SOCIAL, ECONOMIC AND POLITICAL ASPECTS ACCORDING TO THE CONCEPT OF GEOPOLITICS, SPATIAL DEVELOPMENT”, Journal of MCU Phetchaburi Review , 4(2), pp. 33–53. available at: https://so03.tci-thaijo.org/index.php/JPR/article/view/256240 (accessed: 30 August 2026).