def order(self, order='<STR_LIT>'):
context = str(self.context)<EOL>request_url = build_url_endpoint(self.ENDPOINT, context)<EOL>request_params = dict(self.request_params)<EOL>if order not in self.ORDER_VALUES:<EOL><INDENT>raise UrlSyntaxError(<EOL>'<STR_LIT>' % (<EOL>str(order),<EOL>'<STR_LIT:U+002CU+0020>'.join(self.ORDER_VALUES)<EOL>)<EOL>)<EOL><DEDENT>request_params['<STR_LIT>'] = order<EOL>return self.__class__(request_url, request_params, context, self.etiquette)<EOL>
This method retrieve an iterable object that implements the method
__iter__. The arguments given will compose the parameters in the
request url.

This method can be used compounded with query, filter,
sort and facet methods.

kwargs: valid SORT_VALUES arguments.

return: iterable object of Works metadata

Example 1:
    >>> from crossref.restful import Works
    >>> works.query('zika').sort('deposited').order('asc').url
    'https://api.crossref.org/works?sort=deposited&query=zika&order=asc'
    >>> query = works.query('zika').sort('deposited').order('asc')
    >>> for item in query:
    ...    print(item['title'], item['deposited']['date-time'])
    ...
    ['A Facile Preparation of 1-(6-Hydroxyindol-1-yl)-2,2-dimethylpropan-1-one'] 2007-02-13T20:56:13Z
    ['Contributions to the Flora of the Lake Champlain Valley, New York and Vermont, III'] 2007-02-13T20:56:13Z
    ['Pilularia americana A. Braun in Klamath County, Oregon'] 2007-02-13T20:56:13Z
    ...

Example 2:
    >>> from crossref.restful import Works
    >>> works.query('zika').sort('deposited').order('desc').url
    'https://api.crossref.org/works?sort=deposited&query=zika&order=desc'
    >>> query = works.query('zika').sort('deposited').order('desc')
    >>> for item in query:
    ...    print(item['title'], item['deposited']['date-time'])
    ...
    ["Planning for the unexpected: Ebola virus, Zika virus, what's next?"] 2017-05-29T12:55:53Z
    ['Sensitivity of RT-PCR method in samples shown to be positive for Zika virus by RT-qPCR in vector competence studies'] 2017-05-29T12:53:54Z
    ['Re-evaluation of routine dengue virus serology in travelers in the era of Zika virus emergence'] 2017-05-29T10:46:11Z
    ...