Marjoni Imamora Ali Umar
Department of Physics Education, FTIK, Institut Agama Islam Negeri (IAIN) Batusangkar, 27213, West Sumatera, Indonesia * Corresponding author Tel.: +62752-71150; fax: +62752-71879. E-mail: [email protected] [email protected]
Indonesia

Nanda Faizil
Department of Physics Education, FTIK, Institut Agama Islam Negeri (IAIN) Batusangkar, 27213, West Sumatera
Indonesia

Akrajas Ali Umar
Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor Darul Ehsan
Malaysia

Siti Khatijah Md Saad
Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor Darul Ehsan
Malaysia