-
Megan (9
February 2011). "Sulphur
mining in an
active volcano". BBC News.
Harsaputra,
Indra (19
December 2011). "Kawah Ijen:
Between potential and threat"...
-
Archived July 22, 2011, at the
Wayback Machine,
retrieved 20 May 2010
Indra Harsaputra, 'Baluran: the
little Africa of Java', The
Jakarta Post, 20 July 2013...
- (in Indonesian). Byrest.com. 6
September 2016.
Retrieved 12
April 2018.
Harsaputra,
Indra (21
March 2005). "Sampoerna's
success started from
modest beginnings"...
-
Volcano Mt.
Kelud Erupts - Official," Reuters,
November 3, 2007.
Indra Harsaputra, "Scientist:
Indonesian Volcano's Erupting," ****ociated Press, November...
- Soerabaia". De
Indische courant (in Dutch). Surabaya. 28
April 1934. p. 9.
Harsaputra,
Indra (17
September 2013). "Group
protests synagogue demolition". The...
-
Archived from the
original on 23 May 2018.
Retrieved 18
October 2015.
Harsaputra,
Indra (7
January 2011). "Ma****ahit
capital may be
larger than previously...
- Environment. New York: New York
University Press. p. 119. ISBN 9780814781975.
Harsaputra, I. (2
April 2012). "Bali cows to meet Java
bulls in East Java". Retrieved...
-
Tuttle Publishing. ISBN 9781462905096.
Retrieved 11
November 2015.
Indra Harsaputra (5
April 2013). "Manifesting
strength and love". The
Jakarta Post. West...
- Miangas". KOMPAS.com (in Indonesian). 2009-08-21.
Retrieved 2021-03-24.
Harsaputra,
Indra (28 June 2011). "Two
ports to
become world-class harbors". The...
- (January 30, 2014). "Rare
Dragonfly Species Found in Banyuwangi".
Indra Harsaputra, 'Banyuwangi
mining site
risks triggering social conflight: Experts',...