2019-2020校曆表(修訂版)

https://www.stgss.edu.hk/wp-content/themes/osmosis/images/empty/thumbnail.jpg 150 150 STGSS STGSS https://www.stgss.edu.hk/wp-content/themes/osmosis/images/empty/thumbnail.jpg 25th May 2020 24th July 2020