Pages 9-9
10.22075/jvlr.2018.3107
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Pages 9-20
10.22075/jvlr.2018.3108
Pages 21-32
10.22075/jvlr.2018.3109
Pages 33-48
10.22075/jvlr.2018.3110
Pages 49-60
10.22075/jvlr.2018.3111
Pages 61-66
10.22075/jvlr.2018.3112
Pages 67-72
10.22075/jvlr.2018.3113
Pages 73-80
10.22075/jvlr.2018.3114
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