Sinergitas satuan teritorial TNI AD dengan instansi terkait dalam penanggulangan bencana (Studi kasus pelibatan Kodim 0611/Garut dalam penanganan banjir bandang di Garut, 2016) = The sinergy of Indonesian Army territorial unit with related parties in the natural disasters management assistance (Kodim 0611 Garut engaement in Garut flash flood disaster study case 2016)