Centrul de Material Didactic Si Propaganda Agricola <br/><br/>
Productia Vegetala 

 - 1974-1990 
<br/><br/> -Existencias: CONTINUACION DE PROBLEME AGRICOLE  //  1974 vol. 26, no. 7-12; 1976 vol. 28, no. 1-12; 1977 vol. 29, no. 1-10; 1978-1980 vol. 30-32, no. 1-12; 1981 vol. 33, no. 7-12; 1982 vol. 34, no. 1-6; 1985 vol. 37, no. 1-12; 1986 vol. 38, no. 1-12; 1987 vol. 39, no. 1-8; 1988 vol. 40, no. 7-12; 1989 vol. 41, no. 1-12; 1990 vol. 42, no. 1-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura