Pathak, R.P Chaudhary, Jagdeesh Educational technology - 4th impression - Noida Pearson India Education services 2022 - xv, 269 p. PB. 20 cm. Includes glossary ISBN: 9788131754290 Subjects--Personal Names: _ Subjects--Uniform Titles: Education, Educational technology Dewey Class. No.: 371.33 / PAT