Population education: a knowledge base /

by Jacobson, Willard J.
Published 1979

Science for children: a book for teachers /

by Jacobson, Willard J.
Published 1980

Environmental education : module for pre-service training of social science teachers and supervisors for seondary schools /

Published 1985

Environmental education : module for in-service training pf social science teachers and supervisors for secondary school /

Published 1985

Environmental education : module for in-service training of teachers and supervisors for primary schools /

Published 1985