By Lorch R.F.   Lorch E.P.   Ritchey K.   McGovern L.   Coleman D.   in Contemporary Educational Psychology

ISSN:0361-476X|26|2|171-191

Academic Press‎(2001)‎

Access to resources Favorite 6.0579214

By Clark R.B.   Zeto S.K.   Ritchey K.D.   Baligar V.C.   in Fuel

ISSN:0016-2361|78|2|179-185

Elsevier‎(1999)‎

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By He Z.L.   Baligar V.C.   Martens D.C.   Ritchey K.D.   Elrashidi M.   in Plant and Soil

ISSN:0032-079X|208|2|199-207

Springer Publishing Company ‎(1999)‎

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By Baligar V.   He Z.L.   Martens D.C.   Ritchey K.D.   Kemper W.D.   in Plant and Soil

ISSN:0032-079X|195|1|129-136

Springer Publishing Company ‎(1997)‎

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