Forestry digital reference service mode analysis[J]. Guangdong Agricultural Sciences, 2009, (11): 191-194. DOI: 10.3969/j.issn.1004-874X.2009.11.064
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Citation:
|
Forestry digital reference service mode analysis[J]. Guangdong Agricultural Sciences, 2009, (11): 191-194. DOI: 10.3969/j.issn.1004-874X.2009.11.064
|
Forestry digital reference service mode analysis[J]. Guangdong Agricultural Sciences, 2009, (11): 191-194. DOI: 10.3969/j.issn.1004-874X.2009.11.064
|
Citation:
|
Forestry digital reference service mode analysis[J]. Guangdong Agricultural Sciences, 2009, (11): 191-194. DOI: 10.3969/j.issn.1004-874X.2009.11.064
|
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