| Issue | Title | |
| Vol 2, No 2 (2019): July 2019 | Combination of Sinabung Volcanic Ash and Humic Acid Against Characteristics of Humid Silica Fertilizers | Abstract PDF |
| Veny Apriyani, Thomson A.S Girsang, Ribka Sirait, Lisnawaty Simatupang | ||
| Vol 6, No 2 (2023): JULY 2023 | Comparison between Transesterification Reaction with Microwave Heating and Conventional Heating for Biodiesel Production from Coconut Oil with Alkaline Catalyst | Abstract PDF |
| Srunika Boangmanalu, Elfrida Ginting | ||
| Vol 4, No 2 (2021): JULI 2021 | Comparison Of Acetic Acid With As Formiic Acid Latex Pump Material | Abstract PDF |
| Rudi Munzirwan | ||
| Vol 3, No 2 (2020): July 2020 | Comparison of Wet Destruction, Dry Ashing, and Acid Homogenic Methods In Determining Na And K in Beef and Chicken Using Flame Photometer | Abstract PDF |
| Herlinawati Herlinawati, Normalina Arpi, Nurul Azmi | ||
| Vol 5, No 1 (2022): JANUARI 2022 | Corrosion Factors on Nail | Abstract PDF |
| Titania Natasya, Muthia Embun Khairafah, Murna Sari Br Sembiring, Laura Nazrifah Hutabarat | ||
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