Encounters in experimental chemistry. by Jolly, William L.

Chemical investigations for changing times

A separate reality further conversations with Don Juan by Castaneda, Carlos,d1931-

Life science a problem-solving approach by Carter, Joseph L.

Verbal conditioning awareness and intelligence by Javierto, Socorro S.

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Handbook of modern experiments for high school biology. by Hechtlinger, Adelaide

Genetics experiments with bacterial viruses by Snustad, D. Peter, Dean, Donald Stewart 1916-

The teaching of plant polarity using cassava stems in high school biology classes by Abanes, Roselily H. 1945-

Rate of osmosis in different solutions, concentrations and osmotic media by Mapa, Amelia P.

Using the open-ended experiment in teaching basic relationships of magnetism to electricity by Menorca, Rodrigo Gicanac 1935-