na INLIS000000000002946 20150702121805.0 978-602-7624-29-0 SBPUHAT ind [22] 618.2, 618.2 EVI c evis firdausy cara mudah menghitung masa subur evis firdausy cet.1 s.l klik publishing,; 2013 154 hlm,; 21 cm hlm 149-151 ilmu kebidanan sbpuhat 3526/KPAD/2014