IsfironiM. “Kampung Kopi Lerek Gombengsari (Kopi Lego): Mepertahankan Tradisi Berkebun Kopi Dan Meraih Berkah Pariwisata”. Proceedings of Annual Conference on Community Engagement, Vol. 3, July 2022, pp. 639-46, https://proceedings.uinsby.ac.id/index.php/ACCE/article/view/1102.