TY - BOOK AU - Jelin, L.E. ED - Vedanayagam, E.G. TI - Effects of different modes of pairing in programmed learning of mathematics on the performance of underachievers U1 - TJ.0122 PY - 1982/// PB - University of Madras KW - UNDERACHIEVER KW - STUDENTS///UNDERACHIEVERS KW - MATHEMATICS - PROGRAMMED INSTRUCTION ER -