TY - BOOK AU - Suphanne Nualnak TI - Readiness of Middle - Class Families for Transmitting Sex Education to Their Children: In - Depth Study On Mothers In Muang District of Chiang Mai Province SN - 9740435327 AV - Res. HQ56 .S249R 2003 PY - 2003/// CY - Nakhon Pathom PB - Mahidol University KW - Sex Education KW - Family Relationship ER -