Natural birth control for avoiding or achieving pregnancy the dry or wet method
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Makati, Metro Manila
Alba Natural Family Planning Organization
1991, c1990.
|
| Edizioa: | 2nd ed. |
| Gaiak: |