Simbolon, Hotsita, et al. “The Effectiveness Of Padlet Aplication On Teaching Writing Descriptive Text In Eleventh Grade At SMA N 1 Girsang Sipangan Bolon”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, May 2023, pp. 3578-91, https://j-innovative.org/index.php/Innovative/article/view/744.