Masanja DN, Muya MS, Nyangi P. Characteristics of Combined Rice and Wheat Husk Ashes as a Partial Replacement for Cement in Mortar. Civ Eng J [Internet]. 2022 Apr. 1 [cited 2025 Jun. 25];8(4):671-82. Available from: https://www.civilejournal.org/index.php/cej/article/view/3186