University, B. (2023). The engineer's instruction to provide the wall and floor penetration,opening, sleeve,groove etc. as per drawings. Brac University.

University, Brac. The Engineer's Instruction to Provide the Wall and Floor Penetration,opening, Sleeve,groove Etc. as Per Drawings. Brac University, 2023.

University, Brac. The Engineer's Instruction to Provide the Wall and Floor Penetration,opening, Sleeve,groove Etc. as Per Drawings. Brac University, 2023.