https://www.academia.edu/7347494/Ancient_By_Sea_Migration_from_the_Indus_Valley_to_the_Baltic_Coasts_-_MNOMICET_Meso_Neolithic_Oversea_Migration_from_the_Indus_Valley_to_Coastal_Europe_Theory_
Ancient By Sea Migration from the Indus Valley to the Baltic Coasts - MNOMICET (Meso/Neolithic* Oversea Migration from the Indus Valley to Coastal Europe Theory) by Wim J Borsboom (2014)
http://pakacademicsearch.com/pdf-files/art/68/79-88%20Vol.%202,%20No.2%20(April,%202013).pdf
Maritime trade history of Sindh: From ancient time till second CE by Nasreen Afzal and MUhammad Azeem in: International Journal of Independent Research and Studies- IJIRS, Vol. 2, No. 2 (April 2013), pp. 79-88
https://www.scribd.com/doc/261816533/Maritime-trade-history-of-Sindh-From-ancient-time-till-second-CE-by-Nasreen-Afzal-and-MUhammad-Azeem-in-International-Journal-of-Independent-Researc
Literary & Archaeological Evidence of Early Seafaring & Navigation Technologies in India by S. Rama Krishna Pisipaty (2011)
https://www.scribd.com/doc/261817505/Literary-Archaeological-Evidence-of-Early-Seafaring-Navigation-Technologies-in-India-S-Ramakrishna-Pisipaty-2011