U. Ruhyat, R. Safe'i, H. Kaskoyo, S. B. Yuwono, and C. Asmarahman, “Participation of forest farmer groups and the success of forest and land rehabilitation: case study of Sidorejo Village, Sekampung Udik District, and Pematang Tahalo Village, Jabung District, East Lampung Regency, Indonesia”, IJSEI, vol. 7, no. 2, pp. 137–148, Aug. 2026.