“DEVELOPMENT OF TECHNOLOGY FOR THE PRODUCTION OF A DRY EXTRACT BASED ON PLANT RAW MATERIALS OF CALENDULA OFFICINALIS L. FLOWERS AND MELISSA OFFICINALIS L. HERB”. European Journal of Interdisciplinary Research and Development 51 (May 20, 2026): 183–190. Accessed May 20, 2026. https://ejird.journalspark.org/index.php/ejird/article/view/2087.