- ISBN 978-0-19-857622-8. Chiangkul, Krittiya; Trivalairat, Poramad; Purivirojkul,
Watchariya (2018). "Redescription of the
Siamese shield leech Placobdelloides siamensis...
- Press, Oxford. Trivalairat, Poramad; Chiangkul, Krittiya; Purivirojkul,
Watchariya (2020-10-26). "Parasitism of
Placobdelloides siamensis (Oka, 1917) (Glossiphoniidae:...
-
April 2018. Chiangkul, Krittiya; Trivalairat, Poramad; Purivirojkul,
Watchariya (2018). "Redescription of the
Siamese shield leech Placobdelloides siamensis...
-
Archived from the
original on 9
November 2007.
Retrieved 15
March 2008. Ia,
Watchariya (2014-04-28). "121st
Anniversary of the Thai Red
Cross Society". Thai...
-
January 2020. Chiangkul, Krittiya; Trivalairat, Poramad; Purivirojkul,
Watchariya (2018). "Redescription of the
Siamese shield leech Placobdelloides siamensis...
- actatropica.2003.01.002. PMID 14611877. Rachprakhon, Phuphitchan; Purivirojkul,
Watchariya (2021). "Very low
prevalence of
Opisthorchis viverrini s.l. cercariae...
- 16(2):239-245 [1]PDF Chiangkul, Krittiya; Trivalairat, Poramad; Purivirojkul,
Watchariya (2018). "Redescription of the
Siamese shield leechPlacobdelloides siamensiswith...
-
Parasitologica 45, 221-224.
Article PDF Saengpheng, Chompunooch; Purivirojkul,
Watchariya (2022). "Three new
species of
Pseudorhabdosynochus (Monogenea, Diplectanidae)...