00654nam a22001817a 4500 BD-DhUL 20151203082450.0 151203s199210 bg a|||| m||| 00| 0|eng d BD-DhUL BD-DhUL 691.9 AHI Ahmed, Akhtar Uddin. Innovation of building materials from Indigenous sources of Bangladesh and studies of their Physio-Chemical properties / Akhtar Uddin Ahmed. [PhD Thesis] Dhaka : University of Dhaka , 1992. v.p. : ill. ; 29 cm. Thesis (PhD)--Department of Chemistry, University of Dhaka, 1992. Materials. ddc REF 43704 43704 0 0 ddc 0 691_900000000000000_AHI 1 REF 71025 DUSL DUSL REF 2015-12-03 Gift 691.9 AHI 382383 2015-12-03 2015-12-03 REF