Patel, Dr. Chandrakanta P . Study of the phychological foundation of the "free progress system" as evolved in sri Aurobindo International Centre of education / Dr. Chandrakanta P. Patel. - Porbandar : Sri Aurobindo Study Circle , 1986. - 290p. : ill. ; 22cm. . includes index ISBN: Rs.280 (hbk) Subjects--Index Terms: PHYCHOLOGICAL FOUNDATION Dewey Class. No.: 153.15 / PAT/S