HUBUNGAN ANTARA KREATIVITAS DENGAN HASIL BELAJAR KOGNITIF SISWA KELAS X IPA BASIC SMA ABC PADA PEMBELAJARAN MATEMATIKA [ON THE RELATIONSHIP BETWEEN CREATIVITY AND COGNITIVE LEARNING OUTCOMES OF GRADE 10 BASIC SCIENCE HIGH SCHOOL STUDENTS IN MATHEMATICS LEARNING] - Banjarnahor, Evander (Universitas Pelita Harapan, 2018)