"The view from across river". Borneo Post Adventure Team. The Borneo Post. 13 June 2017. Archived from the original on 8 February 2019. Retrieved 20 November 2020.
"The view from across river". Borneo Post Adventure Team. The Borneo Post. 13 June 2017. Archived from the original on 8 February 2019. Retrieved 20 November 2020.
The dictionary definition of empty vessels make the most sound at Wiktionary (tong kosong nyaring bunyinya, air beriak tanda tak dalam, berkocak tanda tak penuh)