na INLIS000000000000030 20220620010648 0010-0622000018 ta 220620 b u ind 979-741-594-4 502.5 502.5 BRI f brion willioms fakta paling top : sains & teknologi / brion willioms jakarta : erlangga, 2001 40hlm, : ilus. 0001/IHID/H/VI/22