Patel, I. J. (1971). A handbook of programmed learning. Indian Association for Programmed Learning [for] Centre of Advanced Study in Education, M.S. University.

Patel, I. J. A Handbook of Programmed Learning. Baroda]: Indian Association for Programmed Learning [for] Centre of Advanced Study in Education, M.S. University, 1971.

Patel, I. J. A Handbook of Programmed Learning. Indian Association for Programmed Learning [for] Centre of Advanced Study in Education, M.S. University, 1971.