Soeprobowati, T. R., Tandjung, S. D., Sutikno, S., Hadisusanto, S. and Gell, P. (2017) “THE MINIMUM NUMBER OF VALVES FOR DIATOMS IDENTIFICATION IN RAWAPENING LAKE, CENTRAL JAVA”, BIOTROPIA - The Southeast Asian Journal of Tropical Biology, 23(2), pp. 97–100. doi: 10.11598/btb.2016.23.2.486.