00353cam a2200121ua 4500041001000000082001900010100002300029245008700052250001200139260006300151300001200214504000500226  aengh  a370.15bELL/ED  aEllis, Robert S  .  aEducational psychology : A problem approach / cRobert S Ellis.hTextual Documents  a1 / b.  aNew Delhi : bAffiliated East West Press Pvt Ltd , c1956.  a546 ; .  a