Zvirgzdina R, Sakena D, Linina I. PRODUCT MARKET EXPANSION STRATEGY FOR BUSINESS DEVELOPMENT OF THE COMPANIES OPERATING IN THE FIELD OF PREMISES CLEANING. ETR [Internet]. 2023 Jun. 13 [cited 2024 Dec. 22];1:252-7. Available from: https://journals.rta.lv/index.php/ETR/article/view/7209