Aura Zaskia Musyakirah; Nadzala Qisthie Rachmadina Ekasuci; Wahyunegsih. EFFECTIVENESS OF USING ONLINE RESOURCES AND OPEN EDUCATIONAL RESOURCES (OER) KHAN ACADEMY IN IMPROVING GEOGRAPHICAL KNOWLEDGE OF SOCIAL STUDIES EDUCATION STUDENTS. PediaQu 2025, 4, 5991-5999.