00995ppm a22002538a 4500 00043010 20181102161159.0 121121s2012 ||||||viesd vie I309O 907 Nguyen, Thanh Tam Implementation of argumentation in geography lessons in Vietnam - an analysis of geography schoolbook tasks, teachers' perceptions and quality of pupil's written argumentation Inaugural - Dissertation zur Erlangung des Doktorgrades der Mathematisch-Naturwissenschaflichen Fakultät des Universitat zu Koln Nguyen Thanh Tam 2018 Đức 164 tr. 30 cm. Chất lượng Giáo dục Địa lý Giáo viên Luận án Nghiên cứu Sách giáo khoa LA.0000097 02/11/2018 Trung tâm Học liệu Lê Vũ Hùng, Trường Đại học Đồng Tháp