Books purchase in Gujarati Language

Tejas A Rana
hi friends,
how i purchase or download as E-Book as below mention.
1. Contract Labour (Regular & Abolition) Act, 1970.
2. Inter-State Migrant Workmen (Regulation of Employment and Conditions of Service) Act, 1979.
3. Industrial Dispute Act, 1947.
4. Labour Laws (Exemption from Furnishing Returns and Maintaining Registers by Certain Establishments) Act, 1988.
5. Child Labour (Prohibition & Regulation) Act, 1986.
6. The Factory Act. 1948.
7. Practical Guide to Labour Management A to Z for Selection & Separation.
kindly give some reference or online link/website...
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