TY - BOOK AU - Bulugahapitiya, Vajira P TI - Plants based natural products extraction, isolation and phytochemical screening methods SN - 9789555445610 U1 - 547.7 PY - 2013/// PB - Vajira P. Bulugahapitiya KW - CHEMICAL ENGINEERING KW - EXTRACTION KW - ORGANIC CHEMISTRY ER -