Ogbaragu, Godswill Mark, Okolie, Kelvin Chuks. Application Of Quality Management Systems in The Production of Concrete in Abakiliki and Afikpo, Ebonyi State, Nigeria. IJPRSE [Internet]. 2022 Mar. 20 [cited 2024 Apr. 29];3(03):12-2. Available from: https://journal.ijprse.com/index.php/ijprse/article/view/509