Sukiyanto, S. et al. 2024. Pengembangan LKPD Matematika Berbasis Tri-N (Niteni, Niroake, Nambahi) Pada Materi Aturan Sinus dan Cosinus. Jurnal THEOREMS (The Original Research of Mathematics). 8, 2 (Jan. 2024), 253–262. DOI:https://doi.org/10.31949/th.v8i2.7403.