01047nam a2200193Ia 4500 109189 BIBL 20160527182716.0 930301s1983||||miua ||b ||0|1||eng|d Brennan, Joseph William 204476 Local A study of marital interactional roles method effectiveness and satisfaction levels of couples who are using the Billings Ovulation Method of natural family planning in Southern and Western Puerto Rico Rev. Joseph W. Brennan. Ann Arbor, MI. University Microfilms International 1983. viii, 154 p. tables. Authorized facsimile, made from the microfilm master copy of the original dissertation submitted to the Catholic University of America in partial fullfillment of the requirements for the degree Doctorate in Social Work. Bibliography : p. 122-137. Family Puerto Rico. 94575 Local Natural family planning. Puerto Rico Ovulation method. 141541 Local Birth control 62599 Local 90885 90885 0 0 0 301_426000000000000_B838S 0 ci 16384 10 10 B 2016-05-27 167787 0 301.426 B838s 80000001453698 2016-05-27 00:00:00 r:109189 z:NCC:D 6