Vol. 20 No. 1 (2022): Spektrum Industri - April 2022

This issue contains articles from different countries Malaysia, Australia, China, and Indonesia. The authors/co-authors are from various institutions such as Univeristas Muria Kudus, Sebelas Maret University, Universitas PGRI Madiun, University of Buana Perjuangan Karawang, Universitas Islam Indonesia, Universitas Presiden, Universitas Islam Bandung, Universitas Mercu Buana, Universitas Borobudur, Universiti Teknikal Malaysia Melaka, University Of Wollongong, and Northwestern Polytechnical University.