Siang gan, ane mau minta tolong nih buat referensi skripsi 1. Title : A fiber optic sensor for detecting and monitoring kracks in concrete structures Author : TengFei Bao , JiaLin Wang, Yuan Yao Publisher : SP Science China Press http://link.springer.com/article/10.1007%2Fs11431-010-4111-4 2. Tit...