Tasks and ways to collect statistical information

Head, Nikolay AlekseevichTasks and ways to collect statistical information: (for which and how statistical information is collected) / N.A.Heel, prof.Polit.ECON.and statists.- Moscow: CSB, 1920. -102 p.: Tab.;26. - (Series of training guides and statistics manuals. Dep. 1, manuals for volost statisticians; Vol. 1).Electronic Source: PB