Agustini, S., Arafah, K., Sanusi, D. K., Salmah, S., Faisal, R. and Fitria, N. (2026) “Analysis of the difficulty level of physics cognitive test items using the Rasch approach: Implementation of analysis with R Software”, Priviet Social Sciences Journal, 6(4), pp. 433–444. doi: 10.55942/pssj.v6i4.1036.