http://expert-tech.pl/en/fixed-price-or-time-and-materials-what-to-choose/ webmakers blog Webmakers Blog is a blog that focuses on creating websites and everything related to it. It is a go-to platform for developers who want to expand their knowledge and skills in the field. I & B Sp. z o.o. Katowicka 86 43-190 Mikołów Polska NIP: PL6351812554