Ozkal, K. (2009). A conceptual model of relationships among constructivist learning environment perceptions, epistemological beliefs, and learning approaches: A conceptual model of relationships among constructivist learning environment perceptions, epistemological beliefs, and learning approaches. Learning and Individual Differences, p. 1.

Ozkal, Kudret. "A conceptual model of relationships among constructivist learning environment perceptions, epistemological beliefs, and learning approaches: A conceptual model of relationships among constructivist learning environment perceptions, epistemological beliefs, and learning approaches." 2009: 1.

Ozkal, Kudret. "A conceptual model of relationships among constructivist learning environment perceptions, epistemological beliefs, and learning approaches: A conceptual model of relationships among constructivist learning environment perceptions, epistemological beliefs, and learning approaches." 2009: 1.