Tobgay S, Tshering K, Zam T. Resource Sustainability Initiative: A Study on Usability of Recycled Coarse Aggregate in Concrete Making. zm [Internet]. 2015 Jun. 15 [cited 2026 Feb. 26];2(1):47-53. Available from: https://publication.cst.edu.bt/index.php/zm/article/view/88