Youth relationship education: A meta-analysis - ScienceDirect
A Comprehensive Guide to Puberty: A Review of "Puberty Sexual Education for Boys and Girls 1991 English29 New" an ERIC digest
If "1991 english29 new" refers to a specific real document (e.g., an ERIC digest, a WHO report, or a textbook ISBN), please provide additional details (author, journal, or database name) so I can retrieve or cite the actual paper. The above is a historically grounded simulation. a WHO report