Hutagalung L, PURWANTO A, Prasetya AB. The Five Leadership Style in Time of Pandemic Covid-19 throughout Industrial Revolution 4.0 as compared to Humane Leadership. IJOSPOL - International Journal of Social, Policy and Law [Internet]. 2020Dec.17 [cited 2026Apr.2];1(1):79-87. Available from: https://www.ijospl.org/index.php/ijospl/article/view/21