A new cooling technique for stingless bees hive Ahmad Syazwan Ramli, A. H. Luqman, Firdaus Basrawi, Ahmed N. Oumer, Azizuddin Abd Aziz and Zulkifli Mustafa MATEC Web Conf., 131 (2017) 03013 Published online: 25 October 2017 DOI: 10.1051/matecconf/201713103013