Kurniawan A, Supriatna M, Yustiana YR. Guidance and Counseling Services in Developing Learner Happiness: Systematic Literature Review. Mantik [Internet]. 2021Aug.1 [cited 2026Jun.10];5(2):1200-1. Available from: https://www.ejournal.iocscience.org/index.php/mantik/article/view/1497