Concrete Technology

(1) Structural Concrete Theory & Design by M Nadeem Hassoun

https://drive.google.com/file/d/19vSBSqyN__uI_3rEBYRxd8sH1KSTPJsQ/view?usp=drivesdk

(2) Engineering Concrete Mix Design & Test Methods By IRVING KETT

https://drive.google.com/file/d/1wWkpt93XHEAQldcIMqJ27SveZtWAX8_f/view

(3) Concrete Mix Design, Quality Control & Specification By KEN W DAY

https://drive.google.com/file/d/1X20mHgB0hrr-IP_2igkyx2XRvBn-I97q/view