_:n14ec51ad6ea44c54bc45049b8c22de57xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://esquirrel.com/at/?filter_countries=ch-2&query_type_countries=or&query_type_school_types=or&filter_school_grades=13-2,4-2&query_type_school_grades=or&filter_subjects=biology-2&query_type_subjects=or&filter_school_types=de-grundschule-2,de-hauptschule-2>