For what it's worth those 5-years plans used to get changed regularly, at least when my country, Romania, was doing them. For those that can read Romanian I rec

For what it's worth those 5-years plans used to get changed regularly, at least when my country, Romania, was doing them. For those that can read Romanian I recommend this book [1] about the 5-year plans from the 1970s Socialist Romania. [1] https://www.librariaeminescu.ro/ro/isbn/606-020-215-8/Vlad-Pasca-Oprisiu__Cincinalu-n-patru-ani-si-jumatate-1971-1975-Nicolae-Ceausescu-si-economia-Romaniei-socialiste-de-la-tentatii-tehnocratice-la-primatul-politicului.html https://www.librariaeminescu.ro/ro/isbn/606-020-215-8/Vlad-P...