Tumangger, Mia Hafizah, Ryzka Cahyaningrum, Anik Maghfiroh, and Sahrul. “Validity and Reliability of Creative Thinking Skills Assessment Instruments in Mathematics Subjects for Elementary School”. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika 8, no. 2 (August 29, 2025): 448–460. Accessed April 27, 2026. https://journal.upp.ac.id/index.php/absis/article/view/3316.