Pengaruh corporate governance terhadap reaksi investor di sekitar pengumuman seasoned equity offerings (studi empiris pada perusahaan yang melakukan pengumuman seasoned equity offerings di Bursa Efek Indonesia pada tahun 2006-2010) = The Effect of Corporate Governance on Investor Reaction Around the Announcement of Seasoned Equity Offerings (empirical studies on companies that make an announcement of seasoned equity offerings in indonesia stock exchange in the period 2006-2010)