Alimuddin AF, hendrawan R. Optimal Stock Portfolio Establishment with Active and Passive Strategy Using Price to Book Value and Price Earning to Growth Ratio Approach in IDX30 Index 2013-2018 Period. devotion [Internet]. 2023 Sep. 14 [cited 2026 Jul. 31];4(9):1770-85. Available from: https://www.devotion.greenvest.co.id.submitjurnal.id/index.php/dev/article/view/559