Marcus, Bernard
Evolution that anyone can understand
[, Springer], 2012
 eBooks
Can anyone hear us?
by Deepa Narayan ... [et al.]
Oxford University Press, 2000
 Buku Teks
Borner, Katy
Atlas of knowledge : anyone can map
London : MIT press, 2015
 Buku Referensi
Narayan , Deepa
Voices of the poor can anyone hear us?/
 Buku Teks
Bauer, Lauria
Vocabulary
London : Routledge, 1998
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