BUTTERFLY DIVERSITY IN THE FOREST OF BUKUM VILLAGE SIBOLANGIT DISTRICT DELI SERDANG REGENCY NORTH SUMATRA by Hamidah Harahap, Melfa Aisyah Hutasuhut, Zahratul Idami

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EFFECT OF DRYING TEMPERATURE ON TENSILE PROPERTIES OF NATURAL RUBBER LATEX FILMS by , Hamidah Harahap, Baharin Azahari, and Mas Rosemal Hakim Mas Hari

Properties of active packaging of PLA-PCL film integrated with chitosan as an antibacterial agent and syzygium cumini seed extract as an antioxidant agent by Halimatuddahliana Nasution, Hamidah Harahap, Elisa Julianti, Aida Safitri, Mariatti Jaafar

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Innovative edible food wraps from tilapia fish bone gelatin and passion fruit peel extract by Halimatuddahliana Nasution, Hamidah Harahap, Iriany, Ayuni Yustira, Elisa Julianti, Mariatti Jaafar

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Comparison of column adsorption processes by downflow and upflow for removal of cupric (Cu2+) ion solutions using non activated and activated charcoal from rambutan (Nephelium lapp... by Bode Haryanto, Sofyan Efendi Saragih, Hamidah Harahap, Tubagus Rayyan Fitra Sinuhaji, Vikram Alexander

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Hydrogel and Effects of Crosslinking Agent on Cellulose-Based Hydrogels: A Review by Halimatuddahliana Nasution, Hamidah Harahap, Nisaul F. Dalimunthe, M. Hendra S. Ginting, Mariatti Jaafar, Orlando O. H. Tan, Hotmauli K. Aruan, Alief L. Herfananda

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