Thirsk, Wayne R. <br/><br/>
A note on Z goods, marketed surplus and the labor intensity of small farm agriculture / 
by Wayne R. Thirsk. 
 - Houston, Tex. :  William Marsh Rice University,  1973. 
 - Paper / William Marsh Rice University. Program of Development Studies ;  no. 40 .
 - Paper (Rice University. Program of Development Studies) ;  no. 40. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Economic aspects -- Mathematical models.--Agriculture -- Economic aspects -- Mathematical models.--Agriculture -- Economic aspects -- Mathematical models.<br/>Economic development -- Mathematical models.--Economic development -- Mathematical models.<br/>Agriculture -- Developing countries.--Agriculture -- Developing countries.