@staticmethod
def _compute_back_link(back_indicator, project):
    """
        Based on a simple indicator, compute URL for anchor BACK.
        """
    if back_indicator is None:
        back_page_link = None
    elif back_indicator == 'burst':
        back_page_link = '/burst'
    elif back_indicator == 'operations':
        back_page_link = '/project/viewoperations/' + str(project.id)
    else:
        back_page_link = '/project/editstructure/' + str(project.id)
    return back_page_link
