A Systems approach to teaching and learning procedures :
Berger, Guy.
A Systems approach to teaching and learning procedures : a guide for educators indeveloping countries / Guy Berger. -- - Paris : UNESCO, 1975. - 144 p. ; fot.
9231012428
371.3 (-77) =20 BER.
A Systems approach to teaching and learning procedures : a guide for educators indeveloping countries / Guy Berger. -- - Paris : UNESCO, 1975. - 144 p. ; fot.
9231012428
371.3 (-77) =20 BER.