Intervensi dengan Metode Pelatihan Kepemimpinan Kepada Atasan untuk Meningkatkan Persepsi Bawahan terhadap Leadership Practices Atasan dan Team Effectiveness di PT. XYZ Syariah = Intervention With Leadership Training Method Toward Supervisor To Improve Subordinate Perception On Supervisor Leadership Practices And Team Effectiveness At PT. XYZ Sharia - Prima Ema Delta, author (2012)