00658nam a2200217   450000100060000000300030000600500170000900800410002603500190006703500180008604000160010404100130012005000210013310000210015424501070017526000480028230000130033049000230034365000460036665000280041232486UR20220427190842.0061105|||||||||||||||||||||||||||||||| d  a(janium) 32475  a(janium)32473  aURCABCbspa0 aspaheng 4aHQ766b.B67 19751 aBogue, Donald J.10aTwenty five communication obstacles to the success of family planning programs  /cDonald Joseph Bogue  aChicago  bCommunication laboratory, c1975  axi, 84p. 0aMedio monographv214aComunicación en control de la natalidad14aControl de la natalidad