Pengaruh gaya kepemimpinan transformasional terhadap organizational citizenship behavior melalui mediasi keadilan organisasi dan kualitas kehidupan kerja (studi kasus pada PT Pertamina Hulu Energi) = The effects of transformational leadership style to organizational citizenship behavior through mediation of organizational justice and quality of working life (case study on PT Pertamina Hulu Energi) / Ajeng Santi Ikawijayanti