Gupta, Angela S., Samantha Grant, and Andrea Lorek Strauss. 2012. “4-H and Forestry Afterschool Clubs: A Collaboration to Foster Stewardship Attitudes and Behaviors in Youth”. Journal of Extension 50 (3). https://archives.joe.org/joe/2012june/iw4.php.
A Searchable Database of Research about the 4-H Program