Patthamakunchai, S., Konghirun, M. and Lenwari, W. (2012) “An Anti-Islanding for Multiple Photovoltaic Inverters using Harmonic Current Injections”, ECTI Transactions on Electrical Engineering, Electronics, and Communications, 11(1), pp. 18–24. doi: 10.37936/ecti-eec.2013111.170589.