Kurniawan, Ari, Mamat Supriatna, and Yusi Riksa Yustiana. “Guidance and Counseling Services in Developing Learner Happiness: Systematic Literature Review”. Jurnal Mantik 5, no. 2 (August 1, 2021): 1200-1210. Accessed June 10, 2026. https://www.ejournal.iocscience.org/index.php/mantik/article/view/1497.