SOAP

http://www.w3schools.com/webservices/ws_soap_intro.asp

http://www.mma.gov.br/governanca-ambiental/geoprocessamento/kml/item/872-soap-simple-object-access-protocol

http://www.gta.ufrj.br/grad/07_2/daniel/

http://www.techrepublic.com/article/an-introduction-to-the-simple-object-access-protocol-soap/

http://crunchify.com/soap-vs-rest-simple-object-access-protocol-vs-representational-state-transfer/ (olha a tirinha! hahaha)

http://mauriziostorani.wordpress.com/2008/07/31/simple-object-access-protocol-soap-methods-concepts-and-examples/

http://helpdev.com.br/2012/03/22/como-funciona-o-soap-protocolo-simples-de-acesso-a-objetos/

http://wiki.pge.ce.gov.br/images/0/0b/SOAP.pdf

http://www.fatecsp.br/dti/tcc/tcc00056.pdf

Trabalhos sobre SOAP:

SOAP x REST http://pt.slideshare.net/aknahs/soap-vs-rest-11863700?qid=970c8808-d604-4fa9-a1ef-b8cfbe7c55c2&v=qf1&b=&from_search=12 http://www.profissionaisti.com.br/2009/03/webservices-conhecendo-o-rest/

SOAP http://pt.slideshare.net/saatvi/simple-object-access-protocol

WEB SERVICES

http://www.webservicex.net/WS/WSDetails.aspx?CATID=12&WSID=56