The Effect of Altruistic Leadership on Competencies with Self Efficacy as Intervening Variables for the Principal by YPK St. Yoseph Medan in Pematangsiantar Post published:October 7, 2024 Post category:Education and Sociology Vol-3-Issue-10 Post author:Marince Sinaga, Efendi Efendi, Sherly Sherly, Liper Siregar, Marisi Butarbutar, Herman Herman Continue ReadingThe Effect of Altruistic Leadership on Competencies with Self Efficacy as Intervening Variables for the Principal by YPK St. Yoseph Medan in Pematangsiantar
