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Ching, W. C.; Che Ahmad, C. N. Investigation of Constructivist Learning Enviroments and Educational Facility in Science Classrooms: Kajian Pengintegrasian Persekitaran Pembelajaran Konstruktivis Dan Kemudahan Pendidikan Dalam Bilik Darjah Sains. J. Sci. Math. Lett. 2013, 1, 18-27.