APA (7th ed.) Citation

Aliff Akmal Mohd Zain. (2019). Security letter and parcel box using GSM.

Chicago Style (17th ed.) Citation

Aliff Akmal Mohd Zain. Security Letter and Parcel Box Using GSM. 2019.

MLA (8th ed.) Citation

Aliff Akmal Mohd Zain. Security Letter and Parcel Box Using GSM. 2019.

Warning: These citations may not always be 100% accurate.