(1998). Health workers' manual on family planning options (2nd ed.). World Health Organization,Western Pacific Region.
Cita Chicago Style (17a ed.)Health Workers' Manual on Family Planning Options. 2nd ed. Manila: World Health Organization,Western Pacific Region, 1998.
Cita MLA (9a ed.)Health Workers' Manual on Family Planning Options. 2nd ed. World Health Organization,Western Pacific Region, 1998.
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