Raychev, Petar, and Atanas Vladikov. “PUBLIC-PRIVATE PARTNERSHIP MODEL CONSIDERATIONS ON BIOECONOMY AND TRANSFER OF BIOTECHNOLOGIES IN THE BULGARIAN COSMETICS AND PERFUMERY INDUSTRY THE CASE OF THE BULGARIAN UNIVERSITY PROJECT ‘VITA PLUS’ ”. KNOWLEDGE - International Journal , vol. 45, no. 1, Apr. 2021, pp. 199-04, https://ikm.mk/ojs/index.php/kij/article/view/5276.