Adella A, Dillak VJ. Financial Performance: Diversification Strategy, Research and Development Intensity and Ownership an Empirical Study on Healthcare Industry. JASa [Internet]. 2023 Aug. 29 [cited 2025 Dec. 2];7(2):229-38. Available from: https://journalfeb.unla.ac.id/index.php/jasa/article/view/2187