00349     2200109   4500084001000000090001600010100006700026245007100093260004500164300001300209850001700222  a614.4  a614.4 Ind a  aKementerian Pertahanan RI Badan Instalasi Strategis Pertahanan10aAncaman virus biologi pada pertahanan negara: Studi kasus Covid-19  aJakartabKementerian Pertahanan RIc2021  a138 hlm.  aLemhannas RI