Common fixed point theorems for generalized weak -contraction mappings in partially ordered 2 -metric spaces Page: 93-99

Benzoylating methoxybenzene derivation by bismuth triflate under microwave irradiation Page: 100-103

Determining and evaluating the manganese and zinc content in white leg shrimp (Litopenaeus vannamei) raised at Trung Trach Commune, Bo Trach District, Quang Binh Province Page: 104-108

Morphological data of species in genus Microhyla Tschudi, 1838 in North Central Vietnam Page: 109-114

A study on making yoghurt with purple sweet potato (Solanum andigenum) added Page: 115-120