Wahyudi, Ryan, 		Firza, Fadhilah, 		Faradisha, Nadhella Fahira, AND 		Helwan, Zuchra.
" Products of Palm Midrib Torrefaction as Activated Charcoal Raw Material" <em>International Journal of Environmental Research &amp; Clean Energy</em> [Online], Volume 12 Number 1 (5 November 2018)