Khemanit Ruaybaramee และ Pichaya Uthairat. (2026) A Causal Model of Factors Influencing Hospital Decisions to Use Wastewater Treatment Pond Maintenance Services in The Bangkok Metropolitan Area. <i>AU-GSB e-Journal</i>, <i>19</i>(3), 111-118.Khemanit Ruaybaramee และ Pichaya Uthairat. "A Causal Model of Factors Influencing Hospital Decisions to Use Wastewater Treatment Pond Maintenance Services in The Bangkok Metropolitan Area". AU-GSB e-Journal 19 (2026):111-118.Khemanit Ruaybaramee และ Pichaya Uthairat. A Causal Model of Factors Influencing Hospital Decisions to Use Wastewater Treatment Pond Maintenance Services in The Bangkok Metropolitan Area. Assumption University Press:ม.ป.ท. 2026.