Hadi, I. H., Y. Mahatma, D. Agustine, and A. Sulistyaningrum. “PENINGKATAN KUALITAS PEMBELAJARAN MATEMATIKA GURU SMP MELALUI SOAL-SOAL HIGHER ORDER THINKING SKILLS (HOTS) DI KABUPATEN BOGOR, PROVINSI JAWA BARAT”. Prosiding Seminar Nasional Pengabdian Kepada Masyarakat, Vol. 2, no. 1, Dec. 2021, pp. SNPPM2021P-383 , https://journal.unj.ac.id/unj/index.php/snppm/article/view/25658.