Wiguna, A. S., and K. B. Pranata. “Analisis Dan Peramalan FTS Terhadap Zinc-Carbon Accumulator Dan Yuasa Accumulator Model 6N4-2A-4”. SMARTICS Journal, vol. 2, no. 2, Oct. 2016, pp. 55-60, https://ejournal.unikama.ac.id/index.php/jst/article/view/1695.