S. Harahap, M. I. Harahap, F. O. I. Harahap, and I. A. N. Harahap, “Photochemical Tests on Leaves of Kapundung (Baccaurea Racemosa Muell.Arg)”, Int Jou of PHE, vol. 4, no. 2, pp. 480–485, Apr. 2025.