na INLIS000000000031692 20231202150818 231202||||||||| | ||| |||| || | 979-605-122-2 010-1223031692 id Sumajouw, Marthin D. J. Elemen struktur beton bertulang geopolymer Yogyakarta Andi viii, 146 hlm. : ilus. ; 23 cm. M31692