Nishant; Sharma, Ajay; Goswami, Sudhir (May 2017). "A way to secure a QR code: SQR". 2017 International Conference on Computing, Communication and Automation...

that stores a song or movie. A laser is often used to read the bar codes or SQR codes on things sold in a store, to identify a product and give its price...

aao – Saharan Arabic aec – Saʽidi Arabic ayn – Sanʽani Arabic ssh – Shihhi Arabic sqr – Siculo-Arabic arb – Standard Arabic apd – Sudanese Arabic acq – Taʽizzi-Adeni...