(3GdHfc GdGSdGej ddJfejI (B:s (3OQGSI aj EWGQ GdJfXje GdOhdj GdGbJUGOj hGdbGfhf GdOhdj GdGbJUGOj (B/s - (3eGLO EHQGgje Ydjs; (3YHOGdYRjR eMeO SQMGfs; (3LGeYI Yjf TeSs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb(B-(3LGeYI Yjf TeS,s, 1980)
(3QSGFd fSNI efaQOIs
(3jTJed Ydi edGMb(B: (3UaMI (B425-482s
(3CWQhMI (B((3OcJhQGg(B)-(3LGeYI Yjf TeS, cdjI GdMbhb, bSe GdeGdjI GdYGeI hGdJTQjY GdVQjHj (B1980s
(3HHdjhLQGajG(B: (3UaMGJ (B483-488s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs; (3GdfXGe GdGbJUGOj GdOhdjs; (3Hfc GdJShjGJ GdOhdjIs; (3GdGbdjejI GdGbJUGOjIs; (3eHGOF GdGbJUGO GdGSdGejs; (3GdHfc GdGSdGej ddJfejIs; (3YedjGJ GdHfc GdGSdGej ddJfejIs; (3QSGFd LGeYjIs -- (3LGeYI Yjf TeSs -- (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs