የመረጃ ስብስብ ቡድኖች የእንቅስቃሴ ዥረት የእንቅስቃሴ አይነት All activity types New Package Changed Package Deleted Package Follow Dataset New Resource View Changed Resource View Deleted Resource View demenech-tests created the የመረጃ ስብስብ Sequential Sampling - City of Flint ከ1 ሳምንት በፊት