The film Sexuele Voorlichting (often subtitled Puberty: Sexual Education for Boys and Girls ) was produced in 1991 by the Dutch production company (sometimes credited as Idéfix Distributie). Its goal was straightforward: to demystify puberty for pre-teens (typically ages 10 to 14) using a mix of anatomical diagrams, live-action footage of real adolescents, and frank, no-nonsense narration.
While you asked for a "paper," this 1991 documentary is the primary educational material from that specific year meeting your criteria. If you are looking for written academic literature, live-action footage of real adolescents
But how do you teach a 12-year-old the nuance of romantic communication? You don't lecture them. You show them a . live-action footage of real adolescents