Allkando Tampubolon; Antonia Lioncun Br. Sitorus; Silvya Elisya Nainggolan; Helen Natalia Pasaribu; Mastiur Verawaty Silalahi; Masni Veronika Situmorang. COMMUNITY SERVICE TEACHING PRACTICE AS AN EFFORT TO IMPROVE SKILLS AND EXPERIENCE AT THE PRIVATE HIGH SCHOOL OF PEMATANG SIANTAR. IRPITAGE 2025, 5, 313-317.