Use both sides of your brain by Buzan, Tony

Nasa iyo ang mahiwagang kapangyarihan [microform] by Hamblin, Henry Tomas

Communication and affect language and thought

Sources of Filipino thought by Reyes, Ramon

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American religious thought a history by Clebsch, William A.

Beyond the information given studies in the psychology of knowing by Bruner, Jerome Seymour

Introduction to Indian religious thought. by Younger, Paul

Language and mind. by Chomsky, Noam

The concept of a function through Piaget's four stages of development of logical thinking by Salazar, Lanniene Sison 1945-

A systematic introduction to the psychology of thinking by Johnson, Donald McEwen 1909-