TY - GEN AU - Khanna, P.K. TI - Educational psychology SN - 9788189011536 U1 - 370.15 PY - 2005/// CY - Jaipur PB - ABD Publishers KW - Educational Psychology N1 - Basic Principles Gradual Development Gradual Growth Concept of Learning Laws of Learning Efficient Teaching Pratical Teaching Classroom Learning ER -