Saputra, Rian, and Josef Purwadi Setiojati. “Penyuluhan Hukum Tentang Merek Dagang Di Gereja Kristen Jawa Kabupaten Sukoharjo”. Masyarakat Berdaya dan Inovasi 5, no. 1 (April 29, 2024): 52–55. Accessed May 13, 2025. http://mayadani.org/index.php/MAYADANI/article/view/170.