Instructional materials for developing information concepts and information-handling skills in schoolchildren :
Instructional materials for developing information concepts and information-handling skills in schoolchildren : an international study /
edited by Ann Irving.
- Paris : UNESCO, 1981.
- iii, 64 p. ; il.
- PGI-81/WS/32 .
371.64/. 69 (100)=20 1981INS No.32.
371.64/. 69 (100)=20 1981INS No.32.