Syahrizal, H.B. Tarmizi, and Rujiman. 2021. “The Influence of Self Mastery Agenda, Change Diagnosis Agenda, Innovation Agenda and Effective Team Agenda on Adaptive Leadership Relating to Regional Development (Case Study on Echelon III Officials in North Sumatra Province)”. Journal of Environmental and Development Studies 2 (01):10-20. https://doi.org/10.32734/jeds.v2i1.6192.