Frontiers | Stigma Experiences, Mental Health, Perceived Parenting Competence, and Parent–Child Relationships Among Lesbian, Gay, and Heterosexual Adoptive Parents in the United States
جمهوريات روسيا - ويكيبيديا
نسبة الجنس البشري - ويكيبيديا
In which countries do children attend single-sex schools? - World Education Blog