Taku, Kumator Josiphiah OSO (Corresponding author) and. Comparative Study of Some Engineering Properties of Aluminium Roof Sheets Manufactured In Nigeria and China. int. jour. eng. com. sci [Internet]. 2015 May 28 [cited 2024 Jul. 22];4(05). Available from: https://ijecs.in/index.php/ijecs/article/view/3637