Doug Knapp

发表

Joint Military and Commercial Rotorcraft Mechanical Diagnostics Gap Analysis

Alexander Rudy, Mark W. Davis, Brian Tucker, 2017 .

Simple Hydraulic Retrofit Solves Field Vibration Problem Of A Horizontal Pump

Mike Cugal, Doug Knapp, 2010 .

An Elementary School Environmental Education Field Trip: Long-Term Effects on Ecological and Environmental Knowledge and Attitude Development

Doug Knapp, James R. Farmer, Gregory M. Benton, 2007 .

A Longitudinal Analysis of an Out-of-School Science Experience.

Doug Knapp, 2007 .

A Qualitative Analysis of the Immediate and Short-term Impact of an Environmental Interpretive Program

Doug Knapp, Raymond A. Poff, D. Knapp, 2001 .

Episodic and semantic memories of a residential environmental education program

Doug Knapp, Gregory M. Benton, D. Knapp, 2006 .

Content Evaluation of an Environmental Science Field Trip

Doug Knapp, Elizabeth Barrie, D. Knapp, 2001 .

Evaluating the Impact of Environmental Interpretation: A Review of Three Research Studies.

Doug Knapp, 1996 .

Memorable Experiences of a Science Field Trip

Doug Knapp, D. Knapp, 2000 .