Santos, Ricky M. <br/><br/>
Beyond the surface :  a theoretical framework for the analysis of the mode of production and social formation in the Philippines / 
Ricky M. Santos. 
 - Davao City :  Alternate Forum for Research in Mindanao, Inc. (AFRIM) Resource Center,  c1990. 
 - 214 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production functions (Economic theory)--Mathematical models.<br/>Feudalism--Mathematical models.--Philippines<br/>Marxian economics.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippines--Economic conditions--1986-