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Hamid, H., dan Abbas, M. 2012. Investigate the Effects of Problem Based Learning with Cooperative Learning on Performance. International Journal of Science and Engineering Research, online 3 8:1. http:media.hoover.orgsitesdefaultfilesdocument0817929622 43.pdf , diakses 7 November 2013 Budiningsih, A. 2005. Belajar dan Pembelajaran. Jakarta: PT. Rineka Cipta. Butar Butar, Meti Agustina. 2013. The Comparison of Students’ Learning Outcomes and Student Activities Through Implementing Problem Based Learning and Guided Discovery Method on Human Circulatory System For 11th Grade Student SMA Negeri 1 Tebing Tinggi Academic Year 20122013. Skripsi tidak diterbitkan. Medan: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Medan UNIMED. Clark, R. E., Yates, K., Early, S., Moulton, K., Silber, K. H., dan Foshay, R. 2010. An Analysis of The Failure of Electronic Media and Discovery-Based Learning: Evidence for the Performance Benefits of Guided Training Methods. Handbook of Training and Improving Workplace Performance, Volume I: Instructional Design and Training Delivery. Somerset, New Jersey: Wiley online . http:www.cogtech.usc.edupublicationsclark_yates_early_moulton_isp i_2008_11_20.pdf , diakses 22 Oktober 2013 Dibyantini, R. E., Jahro, I. S., dan Juwitaningsih, T. 2011. Rancang Bangun Media Pembelajaran Kimia Berbasis Komputer Terintegrasi Pendidikan Karakter. Laporan Penelitian Research Grant tidak diterbitkan. Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Medan. Dimyati dan Mudjiono. 2006. Belajar dan Pembelajaran. Jakarta: PT. Rineka Cipta. Direktorat Jenderal Pendidikan Tinggi. 2010. Kerangka Acuan Pendidikan Karakter. Jakarta: Kementerian Pendidikan Nasional. Djamarah, S. B., dan Zain, A. 2002. Strategi Belajar Mengajar. Jakarta: Rineka Cipta. Fatokun, J. Y. dan Fatokun, K. V. F. 2013. A Problem Based Learning PBL Application for the Teaching of Mathematics and Chemistry in Higher Schools and Tertiary Education: An Integrative Approach. Educational Research and Reviews, online vol. 8 no. 11. http:academicjournals.orgjournalERRarticle- abstractC7DC1B06013 , diakses 22 Agustus 2013 Hamalik, O. 2001. Kurikulum dan Pembelajaran. Jakarta: Bumi Aksara. Hasibuan, Nurasyiah. 2012. Pengaruh Motivasi dan Kreatifitas serta Keaktifan Belajar yang Dihasilkan Pembelajaran Berbasis Masalah Terhadap