IptekInovator 326To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoIptek13.07.201813 Juli 2018Mendengar nyanyian seismik, merekam gempa bumi di dasar laut, sekolah kopi populerkan budidaya berkelanjutan di Nikaragua dan kesunyian yang diperjual belikan di Hong Konghttps://p.dw.com/p/31N15Iklan