"Algera, J." . "J. Algera" . _:B288b9bd634b8df65d7a077b3756f7ebe . "Algera, Jurjen" . "nl" . . "Algera" . "leermiddelen"@nl . "J." . . . _:B288b9bd634b8df65d7a077b3756f7ebe . _:B288b9bd634b8df65d7a077b3756f7ebe . _:B288b9bd634b8df65d7a077b3756f7ebe "2023-05-23"^^ . _:B288b9bd634b8df65d7a077b3756f7ebe . _:B288b9bd634b8df65d7a077b3756f7ebe . _:B288b9bd634b8df65d7a077b3756f7ebe "072633719" . _:B288b9bd634b8df65d7a077b3756f7ebe . _:B288b9bd634b8df65d7a077b3756f7ebe . _:B288b9bd634b8df65d7a077b3756f7ebe .