TY - BOOK AU - കുദ്രിയാവ്ത്സെവ് ബി. TI - Namukku kelkkan kazhiatha sabdangal U1 - 534 PY - 1973/// CY - Thiruvananthapuram PB - Kerala Bhasha Institute KW - Sound And Related VibrationsMULTISECTOR MODELS, A CANONIAL FRAME, WORK, MECHANCIS OF MODEL CONSTRUCTION, MAHALANOBIS ONE SECTOR AND TWO SECTOR MODELS, FOUR PROJECTION MODELS, THE POLICY MODELS, USEFULNESS OF PLAN MODELS ER -