Items by "Nainggolan, Bajoka"

Nainggolan, Bajoka and Nainggolan, Yuni and Hutabarat, Wesly (2019) Development of Chemical Principles Class XI Senior High School Based on the Project in the Material Solubility and Solubility. In: Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, AISTSSE 2018, 18-19 October 2018, Medan, Indonesia.

Simorangkir, Murniaty and Nainggolan, Bajoka and Silaban, Saronom (2019) Secondary Metabolites Phytochemical Analysis of n-Hexane, Ethyl Acetate and Ethanol Extracts of Sarang Banua (Clerodendrum fragrans Vent Willd) Leaves. In: Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, AISTSSE 2018, 18-19 October 2018, Medan, Indonesia.