Cim, S., Bahrun, A., Magribi, L. O. M., & Hatani, L. O. M. (2020). Productivity analysis and efficiency of concrete casting using mini-cranes with a capacity of 200 kg based on appropriate technology. Revista De La Construcción. Journal of Construction, 19(2), 198–208. https://doi.org/10.7764/rdlc.19.2.198-208