H. Alhail, N. Ramli Bachtiar Sijabat, R. Juliandri Tambunan, R. Tamba, A. Zairin, and A. Cerah Kurnia Azis, “Pineapple Leaf Fiber Painting (Ananas Comosus): An Ecopreneurship Education Perspective”, GR, vol. 14, no. 2, pp. 542–553, Dec. 2025.