Indigo dye is one of the dyes that has been used since ancient times and has maintained its importance to this day. Currently, indigo is obtained synthetically and from natural sources. Synthesis of indigo uses non-renewable resources, hurting the environment. This encourages research to improve...

This article presents the method of synthesizing a heterometallic polynuclear coordination compound based on copper (II) formate and manganese (II) methacresoxyacetate and the results of X-ray phase analysis in order to determine its structure. The results obtained from the X-ray phase analysis...

This article provides a checklist of onion pest insects. There are 8 order, 28 families, and 62 species belonging to 48 genera. The species belonging to the Noctuidae family (11 genera and 14 species) were recorded the most common and following families also are recorded Chrysomelidae,...