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Author

Annisa Annisa

2 papers indexed here

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Open access Sep 2026

Pengaruh Labelisasi Halal, Kualitas Produk, dan Minat Beli terhadap Keputusan Pembelian Produk Wardah

This study aims to examine the influence of halal labeling, product quality, and purchase intention on purchasing decisions of Wardah cosmetic products among students of the Faculty of Economics and Business, Management Study Program, Universitas Labuhanbatu. The research employed a quantitative approach with data coll...

Annisa Annisa, Pitriyani Pitriyani, Nova Jayanti Harahap · 0 citations
Open access Sep 2026

Optimal Portfolio of Single Index Models on Jakarta Islamic Index Stocks 2022-2024

Indonesia's sharia capital market has grown rapidly, yet many prospective investors still perceive stock investment as high-risk, complex, or inconsistent with Islamic principles, even though the Jakarta Islamic Index (JII) already provides a sharia-screened benchmark. This study determines the expected return, risk, a...

Iva Ranti Putri, Annisa Annisa · 0 citations

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