SURIADI, Suriadi; IMAMUDIN YULIADI; AGUS TRI BASUKI. Evaluation of The Government Purchase Price Policy (HPP) of Grain On The Exchange Rate of Rice Farmers: An Analysis Study Of The Provinces of The Special Region of Yogyakarta and Central Java. International Journal of Educational Research & Social Sciences , [S. l.], v. 7, n. 5, p. 492–502, 2026. DOI: 10.51601/ijersc.v7i5.1081. Disponível em: https://ijersc.org/index.php/go/article/view/1081. Acesso em: 17 oct. 2026.