PROPAN Green Building Competition 2012 PROPAN Green Building Competition 2012 from Muhammad Nelza Iqbal PROPAN Green Building Competition 2012 PROPAN Green Building Competition 2012 View Website gLike PROPAN Green Building Competition 2012 PROPAN Green Building Competition 2012 View Website Architecture Share R 7 n Available Freelance Muhammad Nelza Iqbal MSc Building Urban Design in Development, UCL London, United Kingdom Follow Contact