Nurisah Sumartina, and H. Hidayat. “nhancing lementary iteracy hrough the ’Class it-racy Tree’: trategic ase tudy of the ’One eek ne Book’ rogram”. ournal of cience and ducation (JSE), vol. 6, no. 2.1, Jan. 2026, pp. 1-12, doi:10.58905/jse.v6i2.1.707.