Bhishma Raj Shigu, Iswar Man Amatya, Gokarna Bahadur Motra. Analysing the optimum effect of the human hair waste as fiber reinforcement in M20 grade concrete. Jnl Innov. Engin. Educ. 2023;6(1):1-4. doi:10.3126/jiee.v6i1.39208