Objective: Reflect on the use of digital technology as a teaching strategy to face the pandemic. Method: Reflective study. Results: The study allowed reflections on the use of digital technologies for the teaching and learning process in order to reduce the damage caused by the pandemic. Final considerations: This reflection can contribute to rethinking about digital technologies as a teaching strategy to face the pandemic.

Officially connecting to the global Internet since 1997, after more than 20 years, the development of the Internet in Vietnam has made an important contribution to the economic, cultural, and social development of the country. By 2019, the percentage of the population using the Internet in Vietnam is more than 67%, of which a large part are teenagers, and students. From the degradation of the current internet culture, especially the behavioral culture, it requires the cooperation of the entire political system, social organizations, of each person towards building a network culture environment really healthy. This study focuses on analyzing the behavior of students on social networks, the impact of such behaviors on students' culture of behavior, from which proposing solutions to promote the positive side and limit the negative side of social networking behaviors to the current student behavioral culture.

Adequate information on the effects of irrigation on soil physical and chemical properties is critical as it substantially helps in ensuring environmental sustainability. To achieve this, two farmers plot were investigated at Gidan Arju village based on similarities in farming activities. Two profile pits were dug one for each plot and named IrrP1 and IrrP2 respectively. Soil samples collected from the genetic horizon each pedons. The samples were analysed for their physico-chemical properties. The pedons were sandy loam and sandy clay loam in texture at surface and subsurface horizons respectively. The BD was moderate for both pedons. The soil pH (H2O) ranged between 7.9-10 and was rated alkaline to strongly alkaline. Statistically, there was no significant variation between the two pedons. However, the entire samples were marginal in total porosity, OC, AP and low in EC. Total nitrogen, CEC, exchangeable Na, K, Mg and Ca were rated high. Correlation analysis showed insignificant, but negative relationship of BD with TN (r = -0.562), CEC (r = -0.304) and PBS (r = -0.396). From the results of our study it is recommended that phosphate fertilizer and manure should be supplemented to enhance nutrient status of the soils. Similarly, good quality irrigation water was also recommended to improve the soil pH.

Marketing is the subject that combines theory and practice in the business school. However, students were still provided with “speech and note-making” in a conventional classroom even in the modern highly competitive era. Though researchers have integrated computer technology with business education, it is regretful that students have limited opportunities to combine theory and practice in terms of marketing. The objective of the study is to explore the combination of marketing and marketing education. The study firstly explains the contents of marketing and the way to combine marketing education and the advanced computer technology. The study then employed modern advanced computer technology to build a simulated computer learning system, and the researcher randomly invited several college students to participate in the experiment. Finally, the preliminary results and conclusion are also provided.