na YOGYA-10100000001313 20101005091546487 ind 010-101000000001313 DEP 693.5 Rek D REKSOSUDIRJO, Sumitro Daftar beton menurut PBI. 1971 Yogyakarta UTS 1983 27 hlm. : ilus. ; 23 cm ( 3 eks ) Beton bertulang YOPDYOG[B] D000001372 D000001373 D000001374