Unknown. (2023). Four metres standard timber truss for heavy weight roof (A timber engineering handbook series). Manger of Publications, Government of India.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnknown. Four Metres Standard Timber Truss for Heavy Weight Roof (A Timber Engineering Handbook Series). Manger of Publications, Government of India, 2023.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnknown. 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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