Dede Rizali PT. Techx Innovations Indonesia, Jl. Raya Bojonegara Km 6, Cilegon, Banten, Indonesia 42454 Indonesia
Heru Suryanto Centre of Advanced Materials and Renewable Energy, State University of Malang, No. 5 Semarang Street, Malang, 65142, Indonesia Indonesia
Sukarni Sukarni Centre of Advanced Materials and Renewable Energy, State University of Malang, No. 5 Semarang Street, Malang, 65142, Indonesia Indonesia