1. The efficiency of the document class. The introduction to economics for Grade 1 experimental value percentage points of the test after the experiment E1 / E2 group of 30 field. Found to meet the criteria 80 / 80 is E1 equals and 84.30 E2 equals 81.56 shows that the instructional materials, efficient, and is suitable to be used in the management of learning as well.
การแปล กรุณารอสักครู่..