%0 Journal Article %T Sound Energy Approach in The Use of LRAD as A Bird Deterrent Device in Sam Ratulangi Manado International Airport, North Sulawesi, Indonesia %A Basuki, B %A Palupi, M R %J IOP Conference Series: Materials Science and Engineering %V 943 %N 1 %P 7 %@ 1757-8981 %D 2020-11-03 %~ DeepDyve