“Pengembangan RPP Dan LKPD pada Materi Pokok Trigonometri Melalui Penerapan Model Discovery Learing untuk SMA/MA: Developmentlesson Plan and Student Worksheet on Subject Trigonometry Through Implementation Discovery Learning Model for High School” (2019) Talenta Conference Series: Science and Technology (ST), 2(2). doi:10.32734/st.v2i2.554.