The Indian factories journal, Volume 43, 1973

Eitemau Tebyg

• The Indian factories journal, Volume 44, 1973
• Ecological monographs, Vol.43,,1973
• Indian factories and labour reports. Vol.43, 1981
• Indian factories journal and factories journal reports
  Cyhoeddwyd: (1982)
• Indian Factories Journal and Factories Journal Report
  gan: Gopal, T.A, Raja
  Cyhoeddwyd: (1985)