នេះ Book មិន​មាន​ក្នុង​ភាសា​របស់​អ្នក, មើល​ក្នុង: English (en),
ឬ​ប្រើ​កម្មវិធី​បកប្រែ Google:  

This notebook of lessons contains many illustrations with simple explanations and suggestions for tackling problems of poor health in villages from malaria, worms, poor water & inadequate nutrition.

No page numbers, illustrated

Publication Details

  • Published: 2008
  • Publisher: ECHO
  • Dewey Decimal: 371.33
  • ECHO Library: 371.33 GER