Soil and water conservation through the improvement of soil cover
| প্রধান লেখক: | |
|---|---|
| বিন্যাস: | Continuing Resource |
| প্রকাশিত: |
Manila
The Philippine Geographical Society
1972.
|
| মালা: | Philippine Geographical Journal, Vol.16 No.2 April-June 1972
|
| বিষয়গুলি: |