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efajoead-1818	hdl.handle.net	http://hdl.handle.net/20.500.11937/1337
efajoead-1818	books.google.com.bd	https://books.google.com.bd/books?id=ekrj3ripbjoc&pg=pa6&d
efajoead-1818	doi.org	https://doi.org/10.2307/590702
efajoead-1818	journal.ummgl.ac.id	http://journal.ummgl.ac.id/index.php/urecol/article/view/1181
efajoead-1818	doi.org	https://doi.org/10.2307/40143761
efajoead-1818	doi.org	https://doi.org/10.5296/ijele.v1i3.3892
efajoead-1818	doi.org	https://doi.org/10.17576/gema-2019-190307
efajoead-1818	doi.org	https://doi.org/10.21831/diksi.v25i1.16007
efajoead-1818	dx.doi.org	https://doi.org/http://dx.doi.org/10.15639/teflinjournal.v14i1/14
efajoead-1818	doi.org	https://doi.org/10.2307/326882
efajoead-1818	www.mlindonesia.org	http://www.mlindonesia.org/images/files/agustus
efajoead-1818	www.fernandabarrientos.cl	http://www.fernandabarrientos.cl/thesis.pdf
efajoead-1818	doi.org	https://doi.org/10.2307/3587717
efajoead-1818	doi.org	https://doi.org/10.1111/j.1467-971x.1996.tb00118.x
efajoead-1818	doi.org	https://doi.org/10.5040/9781472545244
efajoead-1818	doi.org	https://doi.org/10.1121/1.396876
efajoead-1818	doi.org	https://doi.org/10.1007/978-94-007-45780_5
efajoead-1818	doi.org	https://doi.org/10.4324/9781315833057
efajoead-1818	doi.org	https://doi.org/10.17263/jlls.631526
efajoead-1818	doi.org	https://doi.org/10.1017/s0261444800006583
efajoead-1818	doi.org	https://doi.org/10.4324/9780203891346
efajoead-1818	doi.org	https://doi.org/10.1080/07908310308666662
efajoead-1818	doi.org	https://doi.org/10.1017/s0261444810000145
efajoead-1818	doi.org	https://doi.org/10.1017/s0261444817000027
efajoead-1818	www.ijern.com	https://www.ijern.com/journal/2017/february2017/11.pdf
efajoead-1818	doi.org	https://doi.org/10.2167/beb493.0
efajoead-1818	education.waikato.ac.nz	http://education.waikato.ac.nz/research/files/etpc/files/2012v11
efajoead-1818	doi.org	https://doi.org/10.21832/9781847691231-008
efajoead-1818	doi.org	https://doi.org/10.21832/9781847691231-008
efajoead-1818	doi.org	https://doi.org/10.21013/jems.v4.n1.p13
efajoead-1818	doi.org	https://doi.org/10.29240/ef.v3i01.630
efajoead-1818	doi.org	https://doi.org/10.5430/elr.v2n1p128
efajoead-1818	doi.org	https://doi.org/10.4314/afrrev.v6i3.20
efajoead-1818	doi.org	https://doi.org/10.1007/978-3-319-56083110
efajoead-1818	www.scielo.org.co	http://www.scielo.org.co/pdf/prf/v13n2/v13n2a09.pdf
efajoead-1818	doi.org	https://doi.org/10.1002/nur.4770140111
efajoead-1818	journal.teflin.org	http://journal.teflin.org/index.php/journal/article/download/63
efajoead-1818	doi.org	https://doi.org/10.5901/ajis.2013.v2n3p507
efajoead-1818	www.journal.elitenglish.org	www.journal.elitenglish.org
efajoead-1818	doi.org	https://doi.org/10.5296/ijele.v1i3.3956
efajoead-1818	doi.org	https://doi.org/10.4324/9781315833835
efajoead-1818	thinkasia.org	https://thinkasia.org/handle/11540/8034
efajoead-1818	doi.org	https://doi.org/10.4108/eai.21-122018.2282773
efajoead-1818	dx.doi.org	https://doi.org/http://dx.doi.org/10.15639/teflinjournal.v24i2/18
efajoead-1818	doi.org	https://doi.org/10.4135/9781412984249
efajoead-1818	doi.org	https://doi.org/10.21831/jpk.v0i1.1451
efajoead-1818	doi.org	https://doi.org/10.21093/ijeltal.v1i2.17
efajoead-1818	doi.org	https://doi.org/10.9744/kata.12.1.59-71
efajoead-1818	doi.org	https://doi.org/10.15640/jehd.v5n2a11
efajoead-1818	doi.org	https://doi.org/10.11648/j.edu.20150405.22
efajoead-1818	doi.org	https://doi.org/10.1093/elt/ccs075
efajoead-1818	doi.org	https://doi.org/10.9744/kata.10.1.79-112
efajoead-1818	doi.org	https://doi.org/10.7763/ijssh.2014.v4.409
efajoead-1818	doi.org	https://doi.org/10.2991/icamr-18.2019.94
efajoead-1818	doi.org	https://doi.org/10.14203/jissh.v2i0.19