na INLIS000000000025582 20190208093054 0010-0219000473 Elemen Struktur Beton Bertualang Geopolymer Marthin D.J. Sumajouw I x + 146 hlm ; 16 x 23 cm Servie O.Dapas Yogyakarta : ANDI, 2013 693.5 693.5 Mar e 978-979-29-2300-1 B0000085433