Cuesta, P. V. N., J. I. M. Mayorga, Y. N. P. Padilla, and A. P. O. Mayorga. “Alternative Assessment Tools for the Writing Skill Development of EFL Learners”. European Scientific Journal, ESJ, Vol. 15, no. 7, Mar. 2019, p. 177, doi:10.19044/esj.2019.v15n7p177.