| Issue | Title | |
| Vol 5, No 1 (2025): Protech Biosystem Journal | The Effect of Variations in Absorbents from Coconut Shell (Cocos Nucifera), Candlenut Shell (Aleurites Moluccanus), and Bidara Wood (Ziziphus Mauritiana) on the Characteristics of Mercury-Contaminated Wastewater | Abstract PDF |
| Arif Munawir, Shafwan Amrullah | ||
| Vol 5, No 1 (2025): Protech Biosystem Journal | The Effect Of Wovi Liquid Fertilizer And Goat Manure Concentration On Cucumber (Cucumis sativus L) Monas Variety | Abstract PDF |
| Diki Pristiono, Syarifa Mayly, Lisdayani Lisdayani | ||
| Vol 5, No 2 (2025): Protech Biosytem Journal (Desember) (On Progress) | THE USE OF KAPOK SEED AGRICULTURAL WASTE AS A SOURCE OF NATURAL CORROSION INHIBITOR FOR ALUMINUM 6061 | Abstract PDF |
| Syarif Hidayatullah, Ahmad Akromul Huda, Suteja Suteja | ||
| Vol 4, No 1 (2024): Protech Biosystem Journal | Utilisation of Organic Waste as Bioethanol Raw Material with Variation of Yeast Concentration (Saccharomycess Cerevisiae) | Abstract PDF |
| Mhd Afnan Yogi Lubis, Devi Tanggasari | ||
| Vol 5, No 1 (2025): Protech Biosystem Journal | Utilization of Pumpkin seed waste extract as an inhibitor in reducing the corrosion rate on metals | Abstract PDF |
| Syarif Hidayatullah, Nasmi Herlina Sari, Ahmad Akromul Huda, Maharsa Pradityatama, Sinarep Sinarep, suteja suteja | ||
| Vol 4, No 1 (2024): Protech Biosystem Journal | Water Efficiency Using Drip Irrigation Method On Lettuce Plant Growth | Abstract PDF |
| Muhammad Fadil, Suwati Suwati, Budy Wiryono, Muliatiningsih Muliatiningsih | ||
| 51 - 56 of 56 Items | << < 1 2 3 | |
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