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1by Omer, Spahic“…). He was from the rank of Ansar (the Helpers, or the local inhabitants of Madinah). Moreover, he was a…”
Published 2019
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2“… of agricultural markets, from production to the transformation of produce, trade networks, and demand…”
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3by Ellerman, David“… from within. Helpers can at best use an indirect approach to bring doers…”
Published 2014
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4by Ellerman, David“… an outside party ("helper") assist those undertaking autonomous activities (the "doers") without…”
Published 2014
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