ਜਨ 2011 · The Energy and Resources Institute (TERI)
ਈ-ਕਿਤਾਬ
48
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ਇਸ ਈ-ਕਿਤਾਬ ਬਾਰੇ
An innovative title that introduces numbers up to 20 through elements of the environment. Teacher's notes help raise awareness on the environment, while simple 'green' activities enhance the learning experience.