Jakkrapan KITTINORARAT. (2022) THE ANTECEDENTS OF HAPPINESS AT WORK AND ITS IMPACT ON ORGANIZAIONAL CITIZENSHIP BEHAVIOR AMONG STAFF IN PUBLIC HIGHER EDUCATION INSTITUTIONS IN THAILAND. <i>PSAKU International Journal of Interdisciplinary Research</i>, <i>11</i>(2), 19-32.Jakkrapan KITTINORARAT. "THE ANTECEDENTS OF HAPPINESS AT WORK AND ITS IMPACT ON ORGANIZAIONAL CITIZENSHIP BEHAVIOR AMONG STAFF IN PUBLIC HIGHER EDUCATION INSTITUTIONS IN THAILAND". PSAKU International Journal of Interdisciplinary Research 11 (2022):19-32.Jakkrapan KITTINORARAT. THE ANTECEDENTS OF HAPPINESS AT WORK AND ITS IMPACT ON ORGANIZAIONAL CITIZENSHIP BEHAVIOR AMONG STAFF IN PUBLIC HIGHER EDUCATION INSTITUTIONS IN THAILAND. PSAKU International Journal of Interdisciplinary Research:ม.ป.ท. 2022.