The Philippines recommends for duck egg production
| פורמט: | ספר |
|---|---|
| שפה: | English |
| יצא לאור: |
Los Banos, Laguna
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
2011.
|
| סדרה: | PCCARD Philippines recommends series
no. 90-B |
| נושאים: |