Gustina, N., and W. Widyatuti. “The Relationship Between Attitude and Knowledge of Urban Farming Among Community in Pandemic Covid-19”. Proceedings of the International Conference on Nursing and Health Sciences, Vol. 2, no. 1, May 2021, pp. 1-8, https://jurnal.globalhealthsciencegroup.com/index.php/PICNHS/article/view/430.