Cim S, Bahrun A, Magribi LOM, Hatani LOM. Productivity analysis and efficiency of concrete casting using mini-cranes with a capacity of 200 kg based on appropriate technology. RDLC [Internet]. 2020Aug.31 [cited 2024Nov.8];19(2):198-20. Available from: https://revistaingenieriaconstruccion.uc.cl/index.php/RDLC/article/view/14014