Roberts, W. Dayton. <br/><br/>
Strachan of Costa Rica :  missionary insights and strategies / 
W. D. Roberts. 
 - Grand Rapids :  np.,  1971 
 - 187 p. ;  21 cm. 
 - Christian world mission books .
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>78163657  
<br/><br/><label>Subjects--Personal Names: </label><br/>Strachan, R. Kenneth 1910-1965.