Sites that ask for your phone number or require you to "verify" via SMS to download a PDF are often phishing scams.
For students or those seeking technical manuals (textbooks for "Konditer" Level 3-6), government educational portals often host free versions: skachat besplatno knigu konditer
Depending on your specific interests—whether you are looking for classic Soviet-era standards or modern professional techniques—here are the primary ways to find these resources legally and effectively: 1. Classic Soviet "GOST" Standards Sites that ask for your phone number or