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Wallaya Chupradist. (2000) It utilization in public organizations and its impact on job performance . National Institute of Development Administration/Bangkok.
Wallaya Chupradist. It utilization in public organizations and its impact on job performance. . Bangkok:National Institute of Development Administration, 2000.
Wallaya Chupradist. (2000) It utilization in public organizations and its impact on job performance . National Institute of Development Administration/Bangkok.