Lever, John. <br/><br/>
Crocodile industry training manual photography & layout, Greg Mitchell. 
produced by John Lever ; 
 - Port Moresby :  Wildlife Branch, D.A.S.F.,  1975. 
 - 35 p. :  ill. 
 - Wildlife manual ;  no. 75/1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crocodile farming--Papua New Guinea.