00449     2200169   4500001002100000005001500021035002000036007000300056008004100059020002200100082001000122084001600132100001000148245005300158260003900211300002900250INLIS00000000000048820240807035131  a0010-0824000045ta240807                           0 ind    a978-602-313-618-6  a614.4  a614.4 ANI w0 aAnies1 aWaspada penularan Covid-19 varian Delta /cAnies  aYogyakarta :bAr-Ruzz Media,c2021  a138 hlm :bIlus ;c21 cm