A study to evaluate willingness to pay using Van Westendorp’s method on the example of contraceptives

Tam ara Valerievna Mahanova, Natalia Aleksandrovna Tkachenko, Valeriy Pavlovych Popovych

DOI: 10.7324/japs.2022.120516Pages: 178-186

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Evaluation of the Antifertility Activity of Paederia foetida Linn. Root Extracts: Indigenous Knowledge of the Mising Tribe of Assam, North-East, India

Sivani Mili, Jogen Chandra Kalita, Taslema Begum, Amilee Konwar

DOI: 10.1177/22313354261461002Pages: 652-665

Graphical Abstract