domestic tourism has an important role in socio-economic development in several ways including creating jobs and improving income distribution. although several researcheshave been done on tourism demand, a small proportion of them have been on domestic tourism. in this paper, the price and expenditure elasticities of the household demand for domestic tourism in iran, focusing on the case of ha...

fatemeh karimi tabar was born in asadabad/hamedan (iran) in 1986. she completed her b.sc. in chemistry in 2008 from bu-ali sina university, hamedan, iran. she was graduated from m.sc. degree in organic chemistry from shiraz university 2010, shiraz, iran. she is currently organic chemistry ph.d student under the supervision of prof. m.a. zolfigol and prof. a. khazaei in department of chemistry a...

needs of human life from the beginning been an important factor we have been threatened by population growth, food security and human well- men of science and technology with a new plan maintain and improve their food security to make it work. in this investigation, meteorological data have been received from synoptic stations based on daily, monthly, and annually trend from iran meteorological...

medicinal plants have been investigated for possible anti-cancer effects. the aim of the present study was to examine the cytotoxic activity of several medicinal plants on different tumor cell lines. 11 selected plant species which have been used in folkloric prescriptions were collected from different sites of hamedan district of iran. the methanolic extracts of the plants were prepared and th...