D. E. . Hardian, R. . Abdullah, I. . Hasanudin, and A. . Syaifi, “A Phenomenological Study of Collaborative Leadership in Schools: Advancing Educational Quality Through Stakeholder Synergy at SD Lukman Al Hakim Batu Kajang, East Kalimantan, Indonesia”, jiip, vol. 8, no. 9, pp. 10859-10865, Sep. 2025.