Maqbulin, Arjunina. “CONTRACT LEARNING THROUGH HIDDEN CURRICULUM AS PART OF CHARACTER EDUCATION FOR MADRASAH ALIYAH STUDENTS”. Inovasi: Jurnal Diklat Keagamaan, vol. 12, no. 2, June 2018, pp. 141-8, doi:10.52048/inovasi.v12i2.57.