Penagos G., Mario David <br/><br/>
Development of biologic plants in Guatemala 

 - Quito:  OLADE,  [1979] 
 - 36 p.  ilustraciones. 
<br/><br/> Impreso 
<br/><br/>Documentos Olade 
<br/><br/>Period of research and experimentation: 1952 - 1958. Period of promotion and of development of enterprises. 1958 - 1979. Case study 1: Porvenir plant, Mazatenango and Suchitepequez. Case study 2: Problems of desing, construction, operation and use of biologic plants. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogas<br/>Biodigestores<br/>Energía <br/>Guatemala
<br/><br/><label>Subjects--Geographic Terms: </label><br/>GTM