000 00369nam a2200145Ia 4500
020 _a9788188370726
082 _b1896B
_a000
100 _a"Peter Lafferty"
245 0 _aKnowledge Masters - How things Are Made
260 _bYoung Learners Publications
_aDelhi
_c2000
300 _a32
944 _cR
999 _c368155
_d368155