This website is a non-profit educational tool built for use at a secondary school in the Netherlands by teachers from the school. We’ve tried to be thorough and complete in giving credit for all used sources. If you find we’ve missed something please let us know at vin@gsgleovroman.nl so we can resolve any issues.

The technical stuff:
Kinsta for hosting the website.
WordPress because that’s what we build this on.
The Astra theme for being so flexibel to work with.
Elementor for making it easier to build pages.
The following Elementor Addons: Essential Addons and Elementor Extras
Dynamic Visibility For Elementor to make Elementor even better.
Learndash LMS so we can deliver tasks, phases, steps and quizzes in our content.
The Uncanny Owl for the Uncanny Tookit to make Learndash even better.
Gamipress, the easiest way to gamify your wordpress site, for free.
BadgeOS to create sharable badges.
The H5P community for the tools we use to offer educational content.
 
The following Icon builders:
Icons made by Good Ware from www.flaticon.com is licensed by CC 3.0 BY
Icons made by monkik from www.flaticon.com is licensed by CC 3.0 BY
Icons made by Eucalyp from www.flaticon.com is licensed by CC 3.0 BY
Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Icons made by Kiranshastry from www.flaticon.com is licensed by CC 3.0 BY
Icons made by Nhor Phai from www.flaticon.com is licensed by CC 3.0 BY
Icons made by smalllikeart from www.flaticon.com is licensed by CC 3.0 BY
Icons made by itim2101 from www.flaticon.com is licensed by CC 3.0 BY
Icons made by Eucalyp from www.flaticon.com is licensed by CC 3.0 BY
Vector created by starline – www.freepik.com
Vintage vector created by macrovector – www.freepik.com
Paper vector created by catalyststuff – www.freepik.com
 
Vocab Lists an associated (mobile) tools and uploaded word lists online
Browne, C., Culligan, B. & Phillips, J. (2013). The New General Service List / The New Academic Word List / The TOEIC Service List . Retrieved from http://www.newgeneralservicelist.org.

Other great people and organisations:
https://ncase.me/ for the wonderful links to interactive learning content he (Nicky) provides.

Other
WHAT IS EXTENSIVE LISTENING. (2020, 3 16). Opgehaald van Extensive Reading Central: https://www.er-central.com/contributors/learn-about-extensive-reading-and-listening/what-is-extensive-listening/
 
Banner images:
1.    Fanfiction banner original image content from Bill McConke
2.    Greek Myth banner images from 1. oil painting by Fine Art America, 2. Zeus, Wikimedia Commons 3.  Pandora Fine Art Images/Heritage Images/Getty Images
3.    Great War banner from Maker:Photographer: Barry Johnston Auteursrecht:Copyright: Barry Johnston 2011
4.    Podcast Project banner from Maker:portarefortuna Bronvermelding: Getty Images/iStockphoto
5.    Reviews banner from https://www.elegantthemes.com/blog/tips-tricks/how-to-add-your-business-yelp-reviews-to-wordpress
6.    Apology banner original image content from: aradaphotography/Dollar Photo Club 
7.    Vaccination task banner: Polio: Photo Credit:Content Providers(s): CDC/ Mary Hilpertshauser [Public domain], https://commons.wikimedia.org/wiki/File:Polio_vaccine_poster.jpg and File:Anti-Vaccination Society of America advertisement from 1902.jpg
8.    Music Vector created by https://www.freepik.com/vectors/music
9.    people vector created by https://www.freepik.com/vectors/people

Tutorial by Nick Youngson CC BY-SA 3.0 Pix4free

‘Let’s Grow!’ was started and built from the ground up by Dennis de Vink. He works at the GSG Leo Vroman secondary school in Gouda. Other people who have joined in writing (lesson) materials for ‘Let’s Grow!’ are Richard Karsmakers, Bart Schaap, Liane Gaasendam, Loes Walraven, Larissa van Herk and Judit Sola Amoros. The project is funded by the school completely.