S. Khetjoi, P. W. Thasa, P. S. Raisa-nguan, and A. Suksen, “The Opinion of The Elders towards Elder’s Social Allowance Service of Ban Wa Sub-district Administrative Organization, Muang Khonkaen District, Khonkaen Province”, dhammathas, vol. 18, no. 2, pp. 131–140, Aug. 2018.