At least 2 sets of A5 exercise books were produced featuring images from Star Fleet in Portugal in 1980.
The first set consists of 6 books with different covers, squared paper and glossy covers.
The second set contains 8 books with different covers. These are a lot thinner, lack glossy covers and have lined paper, rather than squared.
The cover images are printed on the same thin paper as the inner pages, meaning that the lines on the inner pages are visible through the covers.
Interestingly, while the covers feature photographs of the characters and Dai-X, in the group photographs, the characters themselves appear to have been re-painted.