Monchaya Wongtatam และผู้แต่งคนอื่นๆ. (2009) Work Study and Efficiency Index of Pharmacists in Community Hospital, Srisaket Province by Work Sampling Technique. <i>Isan Journal ofPharmaceutical Sciences</i>, <i>5</i>(1), 7-13.Monchaya Wongtatam และผู้แต่งคนอื่นๆ. "Work Study and Efficiency Index of Pharmacists in Community Hospital, Srisaket Province by Work Sampling Technique". Isan Journal ofPharmaceutical Sciences 5 (2009):7-13.Monchaya Wongtatam และผู้แต่งคนอื่นๆ. Work Study and Efficiency Index of Pharmacists in Community Hospital, Srisaket Province by Work Sampling Technique. Faculty of Pharmaceutical Sciences KKU MSU UBU:ม.ป.ท. 2009.