https://data.sekolah-kita.net/sekolah/MIS%20MAARIF%20NU%209_153569 https://id-id.facebook.com/mi.team.emis/ https://hayusakola.com/view/mis-maarif-nu-9-purbolinggo https://emispendis.kemenag.go.id/dashboard/index.php?content=madrasah&action=lbg&nss=111218070101 https://referensi.data.kemdikbud.go.id/tabs.php?npsn=60705761 https://www.iaimnumetrolampung.ac.id/library/index.php?p=show_detail&id=31990&keywords= http://mtsmaarifnu7purbolinggo.mysch.id/sejarah http://20303400.siap-sekolah.com/sekolah-profil/