Imron A. Empirical model pupil management integrating with balancing competitive-solidarity value for the preparation of character generation competitive and social- solidarity to be ready demographic bonus and the best economic era. JSS [Internet]. 2017Jan.1 [cited 2024Apr.18];6(1):1-13. Available from: https://centreofexcellence.net/index.php/JSS/article/view/jss.2017.6.1.1.13