Parajuli, L., Jha, N. K., Devkota, L. K., Parajuli, S., & Adhikari, S. P. (2026). Experimental Investigation of Thermal Enhancement using CuO-Water Nanofluid in a Tube Equipped with Helical Turbulators. OODBODHAN, 9(1), 1–13. https://doi.org/10.3126/oodbodhan.v9i1.95592