Standar Nasional Indonesia - Beton
00.21 | Author: Ahmad Riyanto
Buat yang melakukan perancangan beton nih ada link SNI beton.
Lalu kenapa mesti SNI? Biar baik mutunya, lagian helm aja harus ada SNInya biar gak di tangkep pak po*isi,,


"Selesaikan, Kemudian Sempurnakan"
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