A Solution for the last mile?. 

 - Singapore:  JSIM Educations,  May 2022. 
 - 41 page. 
 - BBC Earth.  No. 6.  Science.  Vol. 14. .
<br/><br/><label>ISSN: </label>2737-5560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>Dewey Class. No.: </label>BBC Earth So484 May 2022