• Study of simple MPPT converter topologies for grid integration of photovoltaic systemsZakis, Janis; Vinnikov, DmitriScientific journal of Riga Technical University. Serija 4, Power and electrical engineering2011 / p. 67-72 : ill https://www.researchgate.net/publication/258547430_Study_of_Simple_MPPT_Converter_Topologies_for_Grid_Integration_of_Photovoltaic_Systems