Vichit U-on และ Vorapol Itthikhanesorn. (2022) A Structural Model of the Causal Relationship Between Organization Context and Professional Competency of Chef Affecting Organizational Performance of Food Business. <i>Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University</i>, <i>16</i>(2), 656 - 668.Vichit U-on และ Vorapol Itthikhanesorn. "A Structural Model of the Causal Relationship Between Organization Context and Professional Competency of Chef Affecting Organizational Performance of Food Business". Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 16 (2022):656 - 668.Vichit U-on และ Vorapol Itthikhanesorn. A Structural Model of the Causal Relationship Between Organization Context and Professional Competency of Chef Affecting Organizational Performance of Food Business. Pibulsongkram Rajabhat University:ม.ป.ท. 2022.