NAR16 S/172 Narula, Ravi Brain teasers / Ravi Narula. – Ahmedabad ; Kolkata : Jaico Publishing House, 2016 x [2], 214 [2]p. ISBN8172240317 : Rs.150/- . Logic puzzles . Lateral thinking puzzles |
NAR16 S/172 Narula, Ravi Brain teasers / Ravi Narula. – Ahmedabad ; Kolkata : Jaico Publishing House, 2016 x [2], 214 [2]p. ISBN8172240317 : Rs.150/- . Logic puzzles . Lateral thinking puzzles |