Damanik, Dede, Desmalia Purba, Helen Vanhurk Sriwati Ningsih Sitorus, & Manahan Manullang. " Scientific Paper Writing Training for Private High School and Vocational School Teachers YAPIM Taruna Sei Rotan, Deli Serdang Regency 2025." PKM Maju UDA [Online], 6.1 (2025): 1 – 9. Web. 3 Nov. 2026