':return str: Returns a link to the previous_page_url or None if doesn\'t exist.'

@property
def previous_page_url(self):

    if (('meta' in self._payload) and ('previous_page_url' in self._payload['meta'])):
        return self._payload['meta']['previous_page_url']
    elif (('previous_page_uri' in self._payload) and self._payload['previous_page_uri']):
        return self._version.domain.absolute_url(self._payload['previous_page_uri'])
    return None
