Suningcih, Suningcih, and Hari Bakti Mardikantoro. 2018. “The Effectiveness of Learning to Produce Exposition Texts With Project Based Models in Vocational High Schools, Based on Specialization Department”. Seloka: Jurnal Pendidikan Bahasa Dan Sastra Indonesia 7 (3), 300-305. https://doi.org/10.15294/seloka.v7i3.28524.