Harefa, H., and D. Buaya. “The Effect of Time Token Strategy on Students’ Speaking Ability at the Eighth Grade of SMP Negeri 1 Sogaeadu”. Edumaspul: Jurnal Pendidikan, Vol. 5, no. 2, Oct. 2021, pp. 962-71, doi:10.33487/edumaspul.v5i2.2867.