Technique by Using Laser Pointer

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D. Chinnasamy, S. R. Xavier Rajarathinam, Ananthalakshmi Ranganathan - ISBN: 978-613-9-84291-9

Dal lake

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Varun Kesavan - ISBN: 978-613-9-84126-4

Pragada Veraja, Prashant Kumar Rai, Erumulla Santhosh - ISBN: 978-613-9-84397-8

Хайрулла Арипов, Ахмед Абдуллаев, Шункоржон Тошматов - ISBN: 978-613-9-83809-7

Марина Козик - ISBN: 978-613-9-83536-2

Vidya Mane, Mrunalini Garud - ISBN: 978-613-9-84333-6