Dolores, A. J. S., Lasco, J. D., Bertiz, T. M., & Lamar, K. M. (2020). Compressive Strength and Bulk Density of Concrete Hollow Blocks (CHB) Infused with Low-density Polyethylene (LDPE) Pellets. Civil Engineering Journal, 6(10), 1932–1943. https://doi.org/10.28991/cej-2020-03091593