यो Book आफ्नो भाषा मा अवस्थित छैन, हेर्नुहोस्: English (en),
अथवा गुगल अनुवाद प्रयोग:  

This book may no longer be available in print.

Study Guide: to be used as a supplement to the audiotutorial unit on the same topic.

49 pages, illustrated

Publication Details

  • Published: 1987
  • Publisher: CIAT
  • Dewey Decimal: 631.52
  • ECHO Library: 631.52 TEM