Unknown. (2023). Four metres standard timber truss for heavy weight roof (A timber engineering handbook series). Manger of Publications, Government of India.
Chicago-viite (17. p.)Unknown. Four Metres Standard Timber Truss for Heavy Weight Roof (A Timber Engineering Handbook Series). Manger of Publications, Government of India, 2023.
MLA-viite (9. p.)Unknown. Four Metres Standard Timber Truss for Heavy Weight Roof (A Timber Engineering Handbook Series). Manger of Publications, Government of India, 2023.
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