বিষয়গুলি: “...Building materials Periodicals....”
Full text available from ABI/INFORM Trade & Industry: 01/01/2016 to present
Full text available from Engineering Database: 01/01/2016 to present
Full text available from Materials Science Database: 01/01/2016 to present

বিষয়গুলি: “...Dialectical materialism Periodicals....”
Full text available from Social Science Database: 01/01/2011 to 01/31/2014