Basic practicalities of natural family planning in terms of of international symbols 0I0 - Ganar, Linda; Morrison, Desmond; Natural Family Department of the Episcopal Commission on Family Life in the Philippines (Mandaluyong City National Book Store, 2001)
Title from cover.
An alternative version of this book available...in terms of Philippine symbols RDXM
Keywords: Natural family planning -- Philippines; Natural family planning -- Calendar method. -- PHilippines; Natural family planning -- Ovulation method. -- Philippines