TY - BOOK TI - Vaidyutha engineering U1 - 621.39 PY - 1971/// CY - Thiruvananthapuram PB - Kerala Bhasha Institute KW - Applied PhysicsOther Branches Of Electrical EngineeringPOLITICAL THEORY ABOUT 1900, THE IMPORTANCE OF THEORY, THEPLAN OF THIS BOOK, SYSTEMATIC , OBSERVATION, GENERAL, CLASSIFICATION, FACT , PROOF, REALITY, DEDUCTIVE , INDUCTIVE ER -