Ratsiri Thato. 2007. The effect of culturally sensitive comprehensive sex education program on delay of the initiation of sexual intercourse among Thai secondary school students. Bangkok:Chulalongkorn University;
Ratsiri Thato. (2007) The effect of culturally sensitive comprehensive sex education program on delay of the initiation of sexual intercourse among Thai secondary school students. Chulalongkorn University:Bangkok.
Ratsiri Thato. The effect of culturally sensitive comprehensive sex education program on delay of the initiation of sexual intercourse among Thai secondary school students. Bangkok:Chulalongkorn University, 2007. Print.
Ratsiri Thato. (2007) The effect of culturally sensitive comprehensive sex education program on delay of the initiation of sexual intercourse among Thai secondary school students. Chulalongkorn University:Bangkok.