Poramatworachote, P. ., I. . Phorncharoen, and P. . Pongpeachan. “Causal Relationship Model of Factors Affecting Competitive Advantage of Border Small and Medium Enterprises Between Thai-Laos”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, vol. 16, no. 1, Mar. 2022, pp. 189-04, doi:10.14456/psruhss.2022.15.