voluntary environmental program
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H-INDEX
3
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2017 ◽
Vol 60
(12)
◽
pp. 2234-2254
2013 ◽
Vol 16
(1)
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pp. 69-87
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2013 ◽
Vol 23
(8)
◽
pp. 534-546
◽
2001 ◽
Vol 2001
(1)
◽
pp. C1-C6
◽