Faydali bi link test ve kusaklar hakkinda
Kafayiyecem
https://www.google.com.tr/url?sa=t&source=web&rct=j&url=http://www.kmtd.org.tr/haber/07.ppt?phpMyAdmin=6ca3c649179ee6dd4d8a80591b126d69&ved=0ahUKEwjL1pm92-nOAhUIBBoKHf2YCUoQFgh4MAk&usg=AFQjCNG_EISB68AZFIP-q5G3d7NzzZ6Qzw&sig2=3dGQv8iSGCvnJP4VUsH_eg