Hello. I need help. I am doing a study on employment sturucture(age, education, sex, duration of working, and such things of empylees) of otels in a region. I have to make survey with employees. My time and opportuinites are limited. But on the other side, I have to make good sampling which mirros the population as good as it is possible. Initiaaly, I just have the numbers of otels according to categories( 1 star hotel, 2 star hotel, ....). I need help for the method of sampling. If you recomend me methods for sampling , I will be very glad. Thanks a lot.