Demografskiot razvoj i proizvodstveno-ekonomskite karakteristiki na individualnite zemjodelski stopanstva na selo vo Polog = Demographic development and economic characteristics of private households in vallev [sic] Polog
Formiranjeto i raspredelbata na dohodot kaj individualnite zemjodelski stopanstva na selo vo Polog = Formation and distribution of the income in the individual rural economies in Polog