Analysis of information sources in references of the Wikipedia article "Đồng hồ Mặt Trời" in Vietnamese language version.
This ugly plastic 'non-dial' does nothing at all except display the 'designer's ignorance and persuade the general public that 'real' sundials don't work.
This ugly plastic 'non-dial' does nothing at all except display the 'designer's ignorance and persuade the general public that 'real' sundials don't work.
