-
141
-
142
-
143
Introduction to college physics and chemistry Amelia P. Guevara, Fe C. Ganchero.
Cyhoeddwyd 1999Llyfr -
144
Sourcebook on practical work for teacher trainers high school chemistry, vol. 1
Cyhoeddwyd 1998Llyfr -
145
Effects of frequency of testing on students' achievement and class participation in chemistry
Cyhoeddwyd 1998Traethawd Ymchwil -
146
Learning environments of chemistry classes in selected secondary schools
Cyhoeddwyd 1998Traethawd Ymchwil -
147
-
148
Instructor's resource manual for Atkins' and Jones' Chemistry molecules, matter, change
Cyhoeddwyd 1997Llyfr -
149
-
150