Sites
The Croatian menu at Prva Lekcija
The homepage is in Croatian, not Serbian. The menu leads to essays, lectures, tutoring and sign-up. Prva Lekcija prepares students for the state matura, from Zagreb, and checkout on the shop is active.
The language of the page
The document language is Croatian. The title talks about preparing for the exam without wandering, and the menu items split written essays, recorded lectures and tutoring in person or online.
The site is at prvalekcija.com.
What is sold
The description lists tutoring, essays in Croatian and lectures in mathematics and physics. The city in this list is Zagreb.
The other notes in this set are on the site list.