https://pafibaritokab.org/ https://45-76-145-20.cprapid.com/ https://ditkeu.unand.ac.id/sresmi/
Izzati, Shafa Zanuba Tasya Umul, AND Mustofa, Zamzam. " Kiai’s Leadership Efforts in Instilling the Independent Spirit of Students at Hidayatul Mubtadi'in Sobo Guno Islamic Boarding School Mangunsuman Siman Ponorogo" Proceeding: International Conference on Islamic Studies (ICIS) IAIN Ponorogo [Online], (30 November 2022)