Pennak's freshwater invertebrates of the United States : porifera to crustacea

Growth and reproductive strategies of freshwater phytoplankton

The ecology of freshwater phytoplankton

Penilaian kualitas perairan situ agathis dengan menggunakan indeks biotik berdasarkan kehadiran makroinvertebrata air yang bersifat perifitik = Water quality assessment using biotic index based on the presence of perifitic macroinvertebrates in situ agathis

Reproductive biology of the freshwater clam pokea (batissa violacea var. celebensis, von marten 1897) (bivalvia: corbiculidae) in the pohara river, Southeast Sulawesi, Indonesia