Noorul Hudai Binti Abdullah, Norhayati Ngadiman, Mohd Erwan Sanik, & Hazri Mokhtar. (2022). Textbook: Civil Engineering Materials (Laboratory) Version 2022. Penerbit UTHM. https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/295