By Harvey Michael J.   Packard Robert L.   in Journal of Forestry

ISSN:0022-1201|65|7|495-497

Society of American Foresters‎(1967)‎

Access to resources Favorite 9.139727

By Harvey Michael J   in The International Journal of Educational Management

ISSN:0951-354X|8|3|15-25

Emerald Group Publishing Ltd‎(1994)‎

Access to resources Favorite 3.2484703