Adhikari R, Shrestha Y, Amatya IM, Motra GB. Controlled substitution of coarse aggregate with waste glass and syringe needle in M20 concrete. Jnl Innov. Engin. Educ. [Internet]. 2021 Dec. 15 [cited 2024 Nov. 21];4(2):117-22. Available from: https://nepjol.info/index.php/jiee/article/view/39308