research link

link research for this work

https://books.google.co.id/books?id=4TR6q_hPM18C&printsec=frontcover&source=gbs_ViewAPI&redir_esc=y#v=onepage&q&f=false

https://cip.cornell.edu/DPubS?service=UI&version=1.0&verb=Display&handle=seap.indo/1107130755

http://arnoldsimanjuntakphotography.blogspot.co.id/2011/03/lamalera.html?m=1

 

https://www.youtube.com/watch?v=KbqMrARMxeE&feature=em-share_video_user

 

 

https://youtu.be/RKKwf4nb0nU