250 challenging puzzles
Sethi, M.R.
250 challenging puzzles - New Delhi: Goodwill Pub. 1997, - 178p. ill.: 20cm
81-7245-090-7
Ability--Testing
Intelligence
153.9 / SET
250 challenging puzzles - New Delhi: Goodwill Pub. 1997, - 178p. ill.: 20cm
81-7245-090-7
Ability--Testing
Intelligence
153.9 / SET