Insight of Direct Search Methods and Module-Integrated Algorithms for Maximum Power Point Tracking (MPPT) of Stand-Alone Photovoltaic Systems. - Jieming Ma; Ka Lok Man; T. O. Ting; Hyunshin Lee; Taikyeong Jeong; Jong-Kug Sean; Sheng-Uei Guan; Prudence W. H. Wong (NPC, 2012)