Sulistyaningsih, Sri, Tri Joko Raharjo, Agus Hermanto, and Titi Prihatin. “The Contribution of Pangestu Semarang Branch 3 in Strengthening of Character Education (PPK) Based on the Teachings of Sang Guru Sejati”. International Conference on Science, Education, and Technology 7, no. 1 (March 1, 2023): 906–917. Accessed July 3, 2024. https://proceeding.unnes.ac.id/ISET/article/view/2064.