class Pumi::DataSource::Wikipedia::CambodianDistrictsScraper

def find_url(district)
  geocode_td = find_geocode_td(district)
  return if geocode_td.nil?
  link = geocode_td.at_xpath("preceding-sibling::td/a[contains(@href, '/wiki/')]")
  return if link.nil?
  URI.join(URL, link[:href]).to_s
end