A. Nurachmana, P. Diman, and E. Tri Apriana, “Penerapan Model Project Based Learning Sebagai Upaya Meningkatkan Hasil Belajar Teks Negosiasi Peserta Didik Kelas X Smkn 4 Palangka Raya: The Application Of Project Based Learning Model As An Effort To Improve Learning Outcomes Of Grade X Students Of Smkn 4 Palangka Raya”, Tunas J Pendidikan Guru Sekolah Dasar, vol. 6, no. 2, pp. 28–35, Jun. 2021.