00635naa#a2200181#i#450# EN\\bibl\123074 20260526085907.2 3034-4689 20260508b2026####ek#y0engy0150####ca RU BIODEGRADABLE FILM MATERIALS BASED ON POTATO PULP (WASTE FROM STARCH PRODUCTION) WITH THE ADDITION OF SODIUM ALGINATE AND PECTIN Journal article Kazan Kazan National Research Technological University 2026 4 с. Journal article local Kalmykova Valeria Vitalievna Kartushina Yu. N. Nilidin Dmitry Andreevich vestniktu.ru