A systems approach to teaching and learning procedures : a guide for educators. - 2nd ed. - Paris : UNESCO, 1981. - 203 p. : ill. ; 25 cm. Bibliography : p. 201-203. 392 392 ISBN: 92-3-101826-4 Subjects--Topical Terms: Teaching procedureLearning procedure Dewey Class. No.: 371.3 / U3s