<%= select_tag "source_way", options_for_select(EducodeSales::Business.source_ways.keys), { include_blank: true, "lay-filter": 'source_id', "lay-verify": "required" } %>
<%= select_tag "clazz_id", options_for_select(@clazz), { 'lay-filter': 'clazz_id', class: 'required', include_blank: true } %>