Aroonsri Lieosuwan. 1991. Assessment of reliability in conventional methods for cobalt-60 output calibration. Bangkok:Mahidol University;
Aroonsri Lieosuwan. (1991) Assessment of reliability in conventional methods for cobalt-60 output calibration (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Aroonsri Lieosuwan. Assessment of reliability in conventional methods for cobalt-60 output calibration. Bangkok:Mahidol University, 1991.
Aroonsri Lieosuwan. (1991) Assessment of reliability in conventional methods for cobalt-60 output calibration (รายงานผลงานวิจัย). Mahidol University:Bangkok.