Ayesha, I. (2017). PENINGKATAN PENDAPATAN PETANI MELALUI PELATIHAN PRODUKSI PRODUK TURUNAN GAMBIR DI NAGARI SIGUNTUR TUA. UNES Journal of Community Service, 2(2), 164- 173. Retrieved from https://ojs.ekasakti.org/index.php/UJCS/article/view/39