[□] □
[□=□] □
[□ & □] □
She has received international acclaim for her scholarly research , which includes 19 published works and more than three dozen presentations of papers , keynote addresses , and colloquia . Of the state 's nearly three dozen taxes , the sales tax is by far the largest revenue-producer , accounting for more than half of all state tax receipts . " More than three dozen blinking electronic signs with a boxy cartoon character giving an obscene hand gesture were found Wednesday in Boston , Cambridge and Somerville . Foundation Scholarship : The Hertz Foundation is a private organization which provides fellowships tenable at three dozen of the nation 's universities for graduate work leading to award of the Ph.D. degree in applications of the physical sciences . Over the past 30 years , more than three dozen new and frightening diseases have been identified for the first time .