1. Carolus Boromeus Rudationo:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia
2. Bangun Novianto:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia; Center of Renewable Energy Studies, Darma Persada University, Jakarta, Indonesia
3. Erkata Yandri:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia; Center of Renewable Energy Studies, Darma Persada University, Jakarta, Indonesia
4. Herry Susanto:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia; Department of Mechanical Engineering, Darma Persada University, Jakarta, Indonesia
5. Roy Hendroko Setyobudi:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia; Department of Agriculture Science, Postgraduate Program, University of Muhammadiyah Malang, Jl. Raya Tlogomas No.246, Malang 65145, Indonesia
6. Aep Saepul Uyun:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia; Center of Renewable Energy Studies, Darma Persada University, Jakarta, Indonesia
7. Syukri Muhammad Nur:
Graduate School of Renewable Energy, Darma Persada University,Jl. Taman Malaka Selatan No. 22, Jakarta 13450, Indonesia; Center of Renewable Energy Studies, Darma Persada University, Jakarta, Indonesia
8. Satriyo Krido Wahono:
Research Division for Natural Product Technology - Indonesian Institute of Sciences,Jl. Jogja - Wonosari, km 31.5, Gunung Kidul, Special Region Yogyakarta 55861,Indonesia
9. Wahyu Widodo:
Department of Agriculture Science, Postgraduate Program, University of Muhammadiyah Malang,Jl. Raya Tlogomas No.246, Malang 65145,Indonesia
10. Ivar Zekker:
Institute of Chemistry, University of Tartu,Ravila 14a, 50411 Tartu,Estonia
11. Abraham Lomi:
Renewable Energy Research Center & Power and Energy System Simulation Laboratory, National Institute of Technology Malang, JL. Raya Karanglo KM.,2, Malang 65153,Indonesia