✦ LIBER ✦
Fertility awareness in the 1990s — the Billings Ovulation Method of natural family planning, its scientific basis, practical application and effectiveness
✍ Scribed by K. Hume
- Publisher
- Springer
- Year
- 1991
- Tongue
- English
- Weight
- 670 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0267-4874
No coin nor oath required. For personal study only.