Ahmad S, Sajal WR. An Experimental Investigation of Relationship between surface Hardness and Strength of Locally produced TMT 500W bar in Bangladesh. J. of Eng. Sci. [Internet]. 2020 Oct. 5 [cited 2024 Sep. 18];11(1):113-22. Available from: https://banglajol.info/index.php/JES/article/view/49554