Baliana. 2023. “THE CONTRIBUTION OF POSITIVE THINKING SKILLS TO STUDENTS’ LEARNING OUTCOMES: KONTRIBUSI KETERAMPILAN BERPIKIR POSITIF TERHADAP HASIL BELAJAR SISWA”. MaPan : Jurnal Matematika Dan Pembelajaran 11 (1):103-19. https://doi.org/10.24252/mapan.2023v11n1a7.