Nugroho S. Upaya Meningkatkan Motivasi Belajar Matematika melalui Model Pembelajaran Kooperatif Tipe Two Stay-Two Stray (TS-TS) Siswa Kelas XI IPA4 SMA N 5 Yogyakarta TA 2010-2011. JIG COPE [Internet]. 2015 Aug. 25 [cited 2025 May 9];15(01). Available from: https://journal.uny.ac.id/index.php/cope/article/view/5038