Comparative anatomy of male genital organs in the genus Apis.

by Koeniger, G., Koeniger, N., Mardan, Makhdzir, Otis, G., Wongsiri, S.
Published 1991

Morphometric studies of Apis cerana in Thailand and the Malaysian peninsula

by Sylvester, H. Allen, Limbipichai, Kanok, Wongsiri, Siriwat, Rinderer, Thomas E., Mardan, Makhdzir
Published 1998

Evidence of reproductive isolation confirms that Apis andreniformis (Smith, 1858) is a separate species from sympatric Apis florea (Fabricius, 1787).

by Wongsiri, S., Limbipichai, K., Tangkanasing, P., Mardan, Makhdzir, Rinderer, T., Sylvester, H. A., Koeniger, G., Otis, G.
Published 1990