To compare the marketing element in the use of the service, photocopy shop products and the promotion of the market. Classified according to the different groups of Best marketing element in the use of the points service, photocopy shop by different groups of the Board significantly the statistical significance level 0.05 marketing element in the use of photocopying equipment group of science and technology, there is a difference of the mean difference with the humanities and Social Sciences Group. Best life science group there is no average difference in difference to science and technology and Humanities and Social Sciences Group.
การแปล กรุณารอสักครู่..