Mills, H. R. Teaching and training : a handbook for instructors / Henry Robert Mills. - 2nd. - London : Macmillan, 1972. - xxii, 264p.: illus. 23 cm. 1 1 0 ISBN: 333-13891-0 Source: 1979-52 Subjects--Topical Terms: Technology--Study and teaching. LC Class. No.: T65 / .M58 1972