“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”. 2026. European Journal of Interdisciplinary Research and Development 51 (May): 183-90. https://ejird.journalspark.org/index.php/ejird/article/view/2087.