Items where Author is "Ricky, Ricky"

Kristina, Pujiastutianingsih and Ricky, Ricky (2023) Implementation of servant leadership at “X” Christian high school in Surabaya. Petra International journal of Business Studies, 6 (2): 4. pp. 146-156. ISSN 2621-6426

Damiana, Wiwik and Ricky, Ricky and Zeplin, Jiwa Husada Tarigan (2023) The servant leadership effect on student engagement mediated by student motivation at "x" Christian senior high school in Surabaya. Petra International journal of Business Studies, 6 (1): 11. pp. 102-112. ISSN 2621-6426