ISBN: 9787519107482 - 中小学理科教材难度国际比较研究丛书：中小学理科教材难度国际比较研究（小学科学卷） (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2016-12-01 Pages: $number Language: Chinese Publisher: Educational Science publishing house teaching material difficulty research is very complex. involves many factors. not only with the objective difficulty of textbooks. but also with the quality of teachers. teaching requirements. The time of teaching and the ability of students and the degree of diligence. In the course of the study. people .…