Rabiu A. Abubakar, Sani Umar Haruna, Saidu Abdu Kadawa, Ozor Marcellinus Chijiume, AliyuUsman Ibrahim. Performance Evaluation of a Low-Cost Charcoal, Iron Filings, and Chalk Three-Stage Biogas Scrubbing System for Sustainable Green Building Energy Applications. Scientificjournal [Internet]. 2026 Jul. 15 [cited 2026 Nov. 1];1(01):19-27. Available from: https://dasusj.org/index.php/Scientificjournal/article/view/3