Rudramamba, B. Problems of teaching / B Rudramamba; Digumarti Bhaskara Rao - New Delhi : APH Pub., 2003 - 203 p. : ill. ; 23 cm. Includes index. ISBN: 8176484628 ;9788176484626 Subjects--Topical Terms: Teaching. ; Instructional systems. Universal Decimal Class. No.: 371.102076