Baek, S.-W. et al. 2018. Study on Improvement of Torque Characteristics of IPM BLDC Motor for Electric Water Pump using Ferrite Magnet. International Journal of Engineering & Technology. 7, 4.39 (Dec. 2018), 46–51. DOI:https://doi.org/10.14419/ijet.v7i4.39.23696.