Methodology of this research is to develop an experimental research study. (Experimental Development Research) group is the insulin pen and the vial during the second quarter of fiscal year 2550 to fiscal year 2557 (October 1, 2556 to March 31, 2557) and analyzed by a computer program. Show results with descriptive statistics including frequency distribution, percentage, ratio and proportion, correlation analysis of causes and factors that affect the cost reduction of insulin. Statistics Pearson correlation coefficients (Pearson 's Product Moment Correlation Coefficient).
การแปล กรุณารอสักครู่..
